TBJEE 2023 Question Paper - Physics and Chemistry

FOR TBJEE EXAM PREPARATION

TBJEE 2023
Question Paper ·
Chemistry
EXAM YEAR TYPE SUBJECT DETAILS

TBJEE 2023 Question Paper Chemistry Physics

Notes · Sample Papers · Previous Year Papers · Mock Tests

m . c
c. o
sIe
e m TBJEE 2023 Question Paper Chemistry

m l as
a g
DO NOT OPEN THE SEAL UNTIL YOU ARE ASKED TO DO SO

2023
Question Paper Series
m
m R .co
.co s e m
s emPHYSICS AND CHEMISTRY g la
g la a
PC
a
\ Time : 1·5 Hours Maximum Marks : 240

Total Marks: 240 (4 x 60)
m
Answer all questions
.co
s em
a Each Multiple Choice Question (MCQ)
· This Question Paper consists of 28lpages.
g
is provided with four options (A),a(B), (C) arid (D). Identify the correct option and
darken/fill the corresponding circle (A)/(B)/(C)/(D) with Blue/Black Ballpoint Pen
on the OMR Answer Sheet.

For each question, 4 marks will be awarded for correct answer and for each
wrong answer 1 mark will be deducted.

m
m .co
.co
I t

s em
s em~1:·!f'AJ"'iaiftt\b28:fG~ MCQ-~~ miu ~~(A),
g a (B), (C) (D)
lf.:f~
g la Cff-sm a
M4'115--l fl ~Cf~ OMR Answer Sheet-~~ ismi'ltTTT (S'6~t'6
a
1

(A)/(B)/(C)/(D) -~~~Ballpoint Pen~~ fl I

• 4 Cff'Sm

m .
.co s e m
s em l a
a
For more Question Papers, Sample Papers, Notes & Syllabus visit
ag
Page 1 of 24

PHYSICS
1. If G is the universal gravitational constant, Mis the mass of the sun and r is
the distance of a planet from the sun. Their time period of revolution of that
planet will be

(A) T=21t

(8) T=21t
"g; M

I (C) T=21tJG~

I
(D) T = 21tJGM
r

~I >t,q\9i~--1 G, r ~, ~41~-:Pl(ftf~
~IP'l~liifl

(A) T=21t~

I
I
(B) T=21tg;

(C) T=21t~

(D) ,T = 21tJ r
GM
2. The force required to snap a copper wire of radius 1 mm is 10 N. Then how
much force will be required to snap another copper wire of radius 3 mm?
(A) 90 N (B) 45 N .
10
. . , (C) 3~ N _ (D) 3 N . ., .
~I i ·m~ <1Jl>tl~- -~ 10 N 3 <1Jl>tl<M
1)--1\!5~ ~? ·
(A) 90 N (8) 45 N
10
(C) 30 N (D) N
I I
3
9·PG:~Series R 2

For more Question Papers, Sample Papers, Notes & Syllabus visit Page 2 of 24

om . co
m

. c s e
m a
se gl
3. The energy required to produce a liquid bubble aof radius r is E. Then the
energy required to produce a bubble of radius 2r and of same liquid is

(A) BE (B) 4E

(C) 2E (D) E/2

~I r~ ~<lilu~~ E~'f~~~l 2r4Jl>t1M ~~l.!>~Cal~
m
m .co
.co
!IC~l\sr~~ ~'f

e m
(A) BE
e m (B) 4E
las
(C) 2E la
s ag
ag
(D) E/2

4. The number of waves that reach the shore of a lake per minute is 15. If the
wavelength of the waves is 40 m, then the velocity of the waves is
(A) 600 ms- 1 (B) 60 ms- 1

(C) 54 ms..:.1 (D) 10 ms- 1
m
. co
81 ~<lilu lSfu
e m \!5~5tt"f\qj 40 m ~,

\!5~5fC4C'>Ri
l as
(A) 600 ms- 1 ag (B) 60 ms- 1

(C) 54 ms- 1 (D) 10 ms- 1

5. The density of a material at 10 °C is 21 ·4 gm/ cc, then its density at
500 °C will become
6 0
m
.co
[given co_efficient of linear expansion of the material= 9 x 10- / C)
om20:1-2 _gm/cc
I

c. (A) (B) 21 ·12 gm/cc
e m
em (C) 22· 12 gm/ cc l as
las (D) 23·12 gm/cc
ag
ag
<ti 10 21·4gm/cc~, 500 , I • • '
' • • • • ·, , •
' • • : : • '

(A) 20· 12 gm/ cc (B) 21 ·12 gm/cc

(C) 22·12 gm/cc (D) 23·12 gm/cc

m .
.co m
9-PC-Series R 3 [ P.T:O:

s e
s em l a

gla
For more Question Papers, Sample Papers, Notes & Syllabus visit ag
Page 3 of 24

6. The r.m.s. velocity of an ideal gas molecule varies with absolu te temperature
as • I ,

-1 1
-
I;' .

(A) vr.m .s. oc T2 (B) Vr.m .s. oc T3
-3
(C) Vr .m .s. oc T2 (D) Vr .m .s. oc T3

-1 -1
(A) V r.m.s. oc T2 (B) Vr.m .s. oc T3
3
-
(C) Vr.m .s. oc T2 (D) Vr.m.s. oc T3

7. At what angle of inclination of two.plane mirrors produce 5 images of a bright
point object? · · ·· ·

(A) 120° (B) 90°

(C) 60° (D) 45°

(A) 120° (B) 90°

(C) 60° (D) 45° ·,

8. · A convex lens of focal length ·30 .cm produces an image . of:'size one-fourth of 0

the size of the object. Htre ,obj.e9~-distance is .. --. ..·,

(A) 30 cm (B) 40 cm

(C) 60 cm (D) 90 cm

b't ui~ wl<til>iM 30 cm ui~~ uiimf ~~9M '51l<tilt31~ ul'<tS
' . ! . r I •• • •

DW~~lef I ul~ ~ - . ·_

(A) 30 cm (B) 40 cm
. ', ' .
(C) 60 cm (D) 90 cm ,.:

.9.:PC-Series R 4 .'
, , •• I \ • •

For more Question Papers, Sample Papers, Notes & Syllabus visit Page 4 of 24

. c
.co m
RHt

s e TBJEE 2023 Question Paper Chemistry

s em gl a
a
9. The focaJ_,Jength and diameter ,of the objective of a telescope are 120 cm and
5 cm respectively ; If the focal length of the eyepiece of that telescope is 2 cm,
then magnifying power of the telescope is

(A) 24 (B) 44

(C) 60 (D) 120

m
l 't~~~~t- '511%atc~~ C~l~l>i M
m .120 _cm l!l~~ 5 cm I '8~ '511%<..:iCill~
.co
m .co s e m
s e g la
la a
(A) 24 (B) 44

(C) 60 a
g (D) 120

.10~ . .'fwo pair ·.of thin m~tal pl~tes of are_fl. A each are connected as shown in the
figure. If dis the distance between the consecutive plates, then the capacitance
of this combination will be

m
. co
, · - - , _ , i. •"', - : e m
s
·, . -,
' !' ·_ : ·.
a
i ... ' I '.-.,; :.' 11 1 j :-- ' ; :~-- i .~ •

l (B)
J

(A)
2e 0 A
d ag 3E 0 A
d

4c 0 A SE 0 A
(C) (D)
d d

.. ~01' A~~~a,f.:IR"w i~ ,-~ r~ -~~~mrn~~l!l~~~ -~ -~~l
>i~<ii~m~
d 9RF9Rf lf_'fij l
m
c om
j '

m .co I •

m . s e
s e l a
g l a ag
a 2E0 A
'
. .
... . ,.-:
.
,.. ' i .
.

3E 0 A , .. . . --, -.~ .
(B) d .- ' ..
(A) .d

4EoA 5E0 A
(C) d (D) d ..
I, •'

g...J:>c...,._seties'.R ,5
m .
.co s e m
s em g l a

a
For more Question Papers, Sample Papers, Notes & Syllabus visit Page 5 of 24

-~Li .
-
11. When all the corners (vertices) of a cube of side a is given one electron each,
the electric potential at the centre of the cube will be

(A) 1t £oa (B) --
1t£oa

4e
(D) zero

) ) 1 a <ll~Mr-m ~<!$ ~~C<fl~ ~<!$ cmi ~(ftj<fl~~ m~ ~~C<fl~ M~C<I~

(A) (B) - -
1t£oa 1t£oa

4e
(C) - (D)

12. 90 identical cells are connected in mixed combination to get maximum current .
1
If internal resistance of each cell is th of the load resistance, then the
10
arrangement must be

(A) parallel combination of 3 series of 30 cells each

(B) parallel combination of 5 series of 18 cells each

(C) parallel combination of 6 series of 15 cells each

(D) parallel combination of 9 series of 10 cells each
l •

)~I 90 c.<15l~C~ 9tl'8m <I'm I C<1>m
1
15l~1~~'1 Gm~~ 15f~ Wt, <li1'6IC<I >!l'StlC~ ~?
10

(A) Parallel combination of 3 series of 30 cells each

(B) Parall _el combination of 5 series of 18 cells each

(C) Parallel combination of 6 series of 15 cells each

(D) Parallel combination of 9 series of 10 cells each

9-PC-Series R 6

For more Question Papers, Sample Papers, Notes & Syllabus visit Page 6 of 24

om . co
c m

m . s e
s e a
gl element is cut into
13. The rating of a heater is '220 V - 100 W '. The a heating
and then connected in parallel to the same source. Energy
two equal sections
generated per second will be
(A) 25 J (B) 50 J

(C) 200 J (D) 400 J

m
.co
'220 V - 100 W' I l~~roc<f$ 00 1.[-~ >t~l®liil
m
>t~~IC~ fS~~
m .co (.}1C<f$00 ~'f
s e m
(A) 25 J
as e (B) 50 J
g la
(C) 200ag
J
l (D) 400 J
a
2
14. A bar magnet of magnetic moment 2 A-m is hanging in equilibrium position
in a magnetic field of strength 5 x 1o-3 T. Work done to rotate it to the opposite
direction is
(A) 10- 2 J (B) 2 x 10- 2 J
m
(C) 10 J
m .co
(D) Zero

s e
~81 2 A-m
2
a
gl w~lc~ t~<f$lcA?-l ~'t
1!1l~<f$M~ .~:r~sfulf~lt.a'<f$C<f$ >tl~ll~?J:I~ 5 x 10- 3 T
"M".a15!~~~
1

lf~ R'.a'<f$roC<f$ >tl~Jl~?J:I~
(A) 10- 2 J . (B) 2x 10- 2 J

(C) 10 J (D)

15. A SO-tum circular coil has radius 3·14 cm is carrying a current of 3 A. The
m
.co
magnetic field produced at the centre of the coil is
m
c. o(A) 3 10-6 T (B) 3 x 10- T
5

s e m
e m (C) 3 x 10-4 T l a
s
3

l a
(D) 3.x 10- T
ag
ag '3 A •
1'6l<f$1~ <UPIT( 3· 14 cm '8 9fl<1> Ji~~ 50 I
~fS~'Pfii~~~~
(A) 3 x10- 6 T (B) 3 x 10- 5 T

(C) 3 x 10-4T (D) 3 x 10- 3 T

om .
9-PC- Series R 7 · [P.T.O .

.c e m
em l as
s ag

gla
For more Question Papers, Sample Papers, Notes & Syllabus visit Page 7 of 24

16. Magnetic flux associated with a coil of resistance 10 n is given by
cl> = st2 - 4t + 1 Wb. Current induced in the coil at 0·2 second will be

(A) . 0·4 A (B) 0·2 A
(C) 0·04 A (D) 0·02 A

10n )i~q,~..1 <I>= sP - 4t + 1 Wb 1
0·2 c>tCq,~ <l~~C~ 1fR'
(A) 0·4 A (B) 0·2 A
(C) 0·04 A (D) 0·02 A

17. In an electromagnetic wave if electric field and magnetic field are given by E
' .
and B respectively, then direction of propagation of the electromagnetic wave
will be along ·
(A) E (B) B

(C) ExB (D) BxE

~<\I E B ~ ,
'5lR,~~~~,~~
. !
(A) E (B) B

(C) ExB (D) B x E

18. If Bohr radius is a0 , then the radius of n-th orbit of an atom of atomic number
Zis
aon2 0a n
(A) (B) z2
z
- I~- .. e ·,
a 0Z . ' aoz 2
(C) n 2 (D)
n

aon2 a n
(A) (B) z02
z
a Z aoz 2
(C) n02 (D)
n
9-P C>-4S~t;ies R 8

For more Question Papers, Sample Papers, Notes & Syllabus visit Page 8 of 24

.co m.
, w,m;:m: e

m s e TBJEE 2023 Question Paper Chemistry

se gl a
a
of the nucleus of a Helium atom is 0·0303 amu. Then binding
19. The mass defect
energy per nucleon of a Helium nucleus is nearly
(A) 4 MeV
(B) 7 MeV
(C) 14 MeV
m
m .co
.co
(D) 28 MeV
e m
em 01<i:1 '8<i:1Jiilt 0·0303 amu ~, tmr
las
s
f.i~li15{1t--1<i:I

la
f.i~li15~1
ag
ag
(A) 4 MeV

(B) 7 MeV

(C) 14 MeV
(D) 28 MeV

m
three
In a photoelectric experiment, if photon of energies two times and
co
20.
on the

m .
times that of the work function of the metal is incident successively
metal, the ratio of maximum velocities of the emitted electrons will
be
s e
g l a
(A) 1:
a
(B) 1

(C)

(D)

m
~
m ,'5!1~atl<t>~~Qi.{llifrar~~~ -~ -~~~~N~'t~<R~~'t
c. o-~
.co
~OI
~-~(.6f<t>UCil<i:I-~ '>iN5C<IC'>Bf
e m
s
~,

e m l a
l as (A) 1:
ag
ag
(B) 1

(C)

(D)

9 [P.T.O.
m .
9 -PC-Series R

m .co s e m
se
For more Question Papers, Sample Papers, Notes & Syllabus visit
g l a
Page 9 of 24

21. 0 1 1
O Switch closed = 1
Glow= 1

I
i
The equivalent logic gate corresponding to above circuit is

(A) AND
(B) OR

(C) NAND
(D) NOR

i

I
I O 1

.Glow= 1
0 1 Switch closed = 1

I
I
I (A) AND (B) OR
I
I (C) Nft.ND (D) NOR

9;PC-Series R : .10

For more Question Papers, Sample Papers, Notes & Syllabus visit Page 10 of 24

om . co
. c e m TBJEE 2023 Question Paper Chemistry

m as
se l
ag space is
22. The_dimensional unit of electric permittivity in free

(A) M2L-2T-4J2

(B) ML-2 T 2r 2
(C) M-1L-3T4J2
m
(D) M- 1L-4T 2r 2
m .co
.co s e m
s em(.'6'TN>I~ g la
la
Jf~

g a
(A) a
M2L-2T-4J2

(B) ML-2r 2r 2 .
(C) M-1L-3T4J2
(D) M- 1L-4T 2r 2

. c om I\ I\ I\

m
23. The angle between the two given vectors A = -2 i + 3 j + k and B = i + 2 j - 4 k
e
is
las
a g
(A) 0°

(B) 45°

(C) 90° ..

(D) 180°
m
m .co
m .co s e m
s e l a
g l a (A) 0° ag
a ,· 1
(B) 45°

(C) 90°

(D) 180°

om .
9-PC-Series R · 11

.c e m
em l as
lasFor more Question Papers, Sample Papers, Notes & Syllabus visit ag
Page 11 of 24

r TBJEE 2023 Question Paper Chemistry

24.

\~
10s
-+ t(s)
20s

A graph of velocity vs. time for an object moving in
a straight line is given . The
ratio of distance travelled by that object in initial
10 s by that in the final 10 s
is

(A) 1 : 1 (B) 2 : 3

(C) 4: 3 (D) 3: 2

10s 20s
-+ t(s)

>Bl61t.<J:1~ ~~61 I.!!~~ orsm I !f~ 1 Os l.!l<f~
10 s '51N>11iil~ 't~~'llC.~<J:1

(A) 1 : 1 (B) 2 : 3

(C) 4: 3 (D) 3: 2

25. Starting from O an object of mass 2 kg is moving
along OQ with a velocity of
5 m/ s. A 4 N transverse force (perpendicular to
OQ) is continuously acting on
the object. The displacement of that object after 4
s from O point is nearly

I (A) .13·3 m (B) 20·2 m

I (C) 25·6 m (D) 39·9 m

I ~<ti
,·.
2 5 m/s '>IN>t.<lt.'1t 0~ OQ>t<J:161(.<J:l~~~~w~
a,'a;i1Slt.<1 l.!l~<Tar -4N~~~l -4s <fWf OW'i_
.,
1

(A) 13·3 m (B) 20·2 m

(C) 25·6 m (D) 39·9 m
9-'PC-:-Series R 12

For more Question Papers, Sample Papers, Notes & Syllabus visit Page 12 of 24

.
m.co s e m TBJEE 2023 Question Paper Chemistry

s e g l a
26. The time period of oscillation of a simple
a
pendulum hung inside a lift is T.
When the lift is moving upward with an acceleration g/4, the time period of
oscillation of the pendulum will be

(A) ../sT
2

2T
m
m .co
(B)

m .co s e m
(C)
s e l a
l a ag
2T

a2g
(D)

f6l~c.&-i:I Otli71t.~-i:I Otli71--1~1~ Tl f6l~um g/4
C9tc.af Otli71~ffi-i:I Otli71--l~li71

m
.co
(A) ../sT
2

e m
2T
las
g
(B) .js
a
Js
(C) 2T

2
(D) ../sT

m
.co
The momentum of a moving body p varies with time t asp= a? + bt + _c, where
m
27.

.co m
a, b and c are constants. The force acting on the body at time t = 0 is
m s e
s e (A) a (B) b
g l a
g la (C) ab (D) 2ba a
a '>1~ .~'if .p-:-~~
. ,'

p:: 'd?, ~-qt .+..c, ~ : b ~<t~
t-~~
c~ ~It= 0-~ fJ!i~I~~~~
\ •, I

(A) a (B) b

(C) ab ,, ·. (D) 2ba

m .
9-PC-Series R

m .co s e m
se
For more Question Papers, Sample Papers, Notes & Syllabus visit
g l a
Page 13 of 24

r
L--Y11ii2WSPW-PT1fl \YT agry~ rs

28 • A culvert on a canal is like a section of circle of radius 40 m. What
will be the
maximum speed of any car such that it does not detach from the road during
crossing?
(A) 10 m/s (B) 20 m/s
(C) 30 m/s (D) 40 m/s

~lrl 40 m ~<!Slt ~-~9f ~<!Slt ~<!Slt
&N,W, 9fBf 9f00?
(A) 10 m/s (B) 20 m/s
(C) 30 m/s (D) 40 m/s

29. J
When a force of F = (5 i+ 3 + 2 k) N is applied on a particle, its displacement
from the origin 1 = (2 i- )) m. Work done on the particle is
(A) -7 J (B) 7 J
(C) 10 J (D) 13 J
. /\ /\ /\
~'ITTf F = (5 i + 3 j + 2 k) N tlc.~lc.~ ~ii1M'1i_ ~'f
f = (2i- ))ml~·~~~~ 1~<151(~
(A) -7 J (B) 7 J
(C) 10 J (D) 13 J

30. The radius of a planet is double that of earth but its average density is same
as .that of earth. If the escape velocity from earth is Ve, then corresponding
escape velocity V from that planet will be
p '''
(A) VP = (B) VP =
• l
. ' l,

~ol
V ~' V .
e p ,
.,·..
(A) VP = (B) VP , I

(C) VP =2Ve I
J
(D) VP = J2l Ve
9-PC- S,eries R 14
I • •

For more Question Papers, Sample Papers, Notes & Syllabus visit Page 14 of 24

om
wt

m . c

c. o s e m
s em g l a
CHEMISTRY a
ty
31. At 27 °C temperature and 20 atm pressure, a cylinder having water capaci
10·5 cm)
2·82 Lis filled with H2 (g). How many round shaped balloons (radius
can be filled with the aid of available H 2 (g) from the cylinder at STP?
(A) 100 (B) 10

m
.co
(C) 11 (D) 12
m
27 °C~~ .co
20 atm Df"CPt~~~~'(51~, 2·82 L, H2 (g) ~1'1~
(~tr 10·5 cm) 1'1as
e m
~I STP-~
s em~~'(51~ ffl9fJ H2 (g) c'i1IG11<151~
g l
<Rt~? gla a
a
(A) 100 _(B) 10

(C) 11 (D) 12

50 cc 0· 1 (M) Ca(OH) 2 solution is diluted with water and the final
volume
32.
becomes 500 cc. Calculate the pH of the resulting solution.
(A) 11 ·69
m
(B) 16-31

(C) 12·31 .co
(D) 15-·69
m dil~<IS~t.'m~tfWf
s e '511~\!>"'i 500 cc <Rt
la
50 cc 0· 1 (M) Ca(OH) 2 -~~ ~'tt<l> ~'>t
I ~~'Pfif &r<H.'¼ pH f.t~ I
ag
(A) 11 ·69 (B) 16-31

(C) 12·31 (D) 15·69

O
33. A blood sample contains 2 (M) H2 Co 3·. Suggest how much 5 (M) NaHC 3
pH
solution is to be added to this 10 ml blood sample to maintain the blood
m
.co
at 7·4.
m 7

c. o(A) 79·8 ml
(Condition : Ka of H CO 3 iri blood sample= 7·8 x 10- )
2
e m
e m (B) 89·7 ml
l as
las (D) 8·97 ml
ag
g
a ~"<Pf6~-
(C) 7·98 ml
H2co 3-~~ 2 (M)I 10 ml ~~~~~~l~\!>"'i
~'t~'Sf~~pH-~~~7·4~~~~~ -1 .
5_(~) N~CO~
·-
7
[~: H C0 -(jj~ : Ka =.1·8 x 10- )
2 3
(A) 79·8 ml (B) 89·7 ml

(C) 7·98 ml (D) 8·97 ml
m
.co m
. . -.
e
15 -·· · · . [P-TO
s
9-PC-Series R

e m l a
l as ag
ag For more Question Papers, Sample Papers, Notes & Syllabus visit Page 15 of 24

WA4A M e-.;: &+Ab*

34 • Lithium (m) forms body-centred cubic lattice whose every edge length of Unit

7
cell is 351 pm. What will be the atomic radius of Li(m)?
(A) 300 pm (B) 152 pm
(C) 240 pm (D) 75 pm

~81 (~) (.'T~C<Pr&<P·i:J--t<Pl<Pl'i:I ~, C<Plc•rn M>--ll'i:11~
351 pml (~)-111~ <UPJT( ~?
(A) 300 pm (B) 152 pm
(C) 240 pm (D) 75 pm

35. A solid compound 'XY' is structurally similar with NaCl. If radius of the cation
0.
(X+) is 100 pm, then predict the radius of the anion (Y ).
(A) 275·1 pm (B) 322 ·5 pm
(C) 165·7 pm (D) 241·5 pm

~a:1 111<J$ ~'if 'XY'-11!"<jq '1~--ll'f~ NaCl -111~ 1·zjif <PJlt,l~--1 (X+)-~~ <UPTT( 100 pm~,
0.
'blJl--11~--I (Y )-111~ ~( lf1\8 I

(A) 275·1 pm (B) 322·5 pm

(C) 165·7 pm (D) 241·5 pm

36. If the following redox reaction is being balanced, then which one of the
following is appropriate?
+2 e + +3
aMn + bBiO 3 + cH ----+ aMnO 40 + bBi + dl-12 O

(A) a= 3 (B) b = 5

(C) c = 10 (D) d = 6

, : r

(A) a= 3 (B) b = 5

(C) c = 10 (D) d = 6

9-PC-$eries R 16

For more Question Papers, Sample Papers, Notes & Syllabus visit Page 16 of 24

m
m .co

m .co s e m
gla (4·5 gm glucose
se 37. Depression of freezing point of a glucose (FW = 180)asolution
dissolved in 250 gm water) is equal to the CaC12 (FW = 111) solution
(Wgm CaC12 dissolved in 250 gm water). If K ofwater is 1·85 K kg mor 1 and
1
CaC12 ionises completely in water, then the value of W will be which one
among the following?
(A) 0·925 gm (B) 2·775 gm·
(C) 1·539 gm (D) 0·875 gm
m
~C\ I 250 gm~ 4·5 gm
c o m (FW = 180) &t~~l.!5 '514..i~;;i 250 gm~
m .co
Wgm CaC12 (FW = 111)
. '514..j~t.,i~
e
m
e I!!~~~ CaC12
1
M:tfal~~~ las
s
Kf = 1·85 K kg mor
la
'51l{IM'-'~,
ag
ag
(A) 0·925 gm (B) 2·775 gm
(C) 1·539 gm (D) 0·875 gm

38. 0·4 amp current is allowed to pass into the dilute aqueous solution of NaCl
for 5 min. Generated base requires V ml 0·05 (N) H2SO 4 for neutralization.
Find the value of V. ·
m
.co
(A) 49·6 ml (B) 12·4 ml
(C) 24·8 ml
s em (J?) 74·4 ml
0·4 la
~b'I NaCl-I!!~~~ &t<l(.'Bf 1f~
~,
g
V ml o_-05a(N) H2S0 4
5 blii!IC..il~ q(.1il'
v-~~ 1fi-f f.fi.fu I_
(A) 49·6 ml (B) 12·4 ml
(C) 24·8 ml (D) 74·4 ml ·

39. 3 gm active charcoal is added to 50 ml 0·06 (N) acet ic acid solution. After
1 hour, the mixture is filtered and the concentration of filtrate becomes
m
.co
0·042 (N). Determine the amount of adsorbed acetic acid by every gram of
o m m
c
active charcoal in this process.

m . 18 mg s e
e (A)
s (C) 42 mg
(B) 36 mg
g l a
l a (D) 54 mg
a
ag I 50 ml 0·06 (N)' l!l<tSiu '51JIC>tiu:qs'51Jffsl'l'5~ffl 3 gm~ bl~C<Miil (Al'if;~ .

.'f
I' 1·~ ~, .
fiffi'ffij '
~&'-'~ ifTl;1 0·042 (N) 'Pft'81ll C')taf I
' '
"1i;ii~C\!5
I
$r
I lj ...
bl~C,qSliil
'51JIC>lm,q5 151Jlfs!C\S~ f.l"Gfu I , . . , .,
I

(A) 18 mg , ' (B) 36 mg
(C) 42 mg ,,: (D) 54 mg • . I

m
.co e m
9-PC-S eries R 17 '

e m l as
l as ag
ag For more Question Papers, Sample Papers, Notes & Syllabus visit Page 17 of 24

%¥iFE
1
I

r 40.
( )
Which among the following metals produces H 2 g
soda?
on reaction with hot cau 8 .
bc

(A) Mg (~) Cu
(D) Zn
(C) Fe

(A) Mg (B) Cu

(C) Fe
(D) Zn

41. Increasing ionic character of the halogen hydracids follows which among the
follow ing t r ends?
(A) HF < HCl < HBr < HI
(B) HI < HCl < HF < HBr
(C) HI < HBr < HF < HCl
(D) HI < HBr < HCl < HF

8 :> I ~IC6ilcsti1 aj~~IPI\S~~ '6ll~~~ PhtM~~ !f<f~ WI?

(A) HF < HCl < HBr < HI
(B) HI < HCl < HF < HBr
(C) HI < HBr < HF < HCl
(D) HI < HBr < HCl < HF

42. Which of the following is called galvanization process? ·
(A) Zn(m) coating over Fe(m)
(B) Al(m) coating over Fe(m)
(C) Sn(m) coating over Fe(m)
(D) Cu(m) coating over Fe(m)

s~, PhtM~'5~ffl C<Pl.:iltc~ 'JiJli1116liil~t:st•tr.:i ~?

(A) Fe(m) -~~ Zn(m) -~~ ~'Pf

(B) Fe(m) -~~ Al(m)-~~ ~'Pf

(C) Fe (m)-~~ Sn(m) -~~ ~'Pf

(D) Fe(m) -~~ Cu(m) -~~ ~'Pf

9 -PC-S er ies R 18

For more Question Papers, Sample Papers, Notes & Syllabus visit Page 18 of 24

m
m .co

m .co s e m
a states; but in
se 43. · In vapour phase, BeC1 exists in the monomeric andagldimeric
2
the solid phase it exists solely as polymeric chain. Predict the hybridized
state of Be-atom in the mentioned states . ,
(A) sp2 , sp 3 , sp _
(B) sp2 , sp, sp3
(C) sp, sp 2 , sp3
m
.co
(D) sp, sp3 , sp 2

o m m
c
. ~<f~ i.51~1~ 'ffiCPf 151<1~1-1 ~, m ffl 151<1~1!-l ~1u s e
8~1
e m
151<1~1~ BeC12 ~C-11~1~
l a
Yifal~IH'l<fl
l as151<1~-1 I M116~9f~~ Be '>i~<fi~lrn~ ~9f
aIg
(A) sp2 , sp a3g, sp
(B) sp 2 , sp, sp3

(C) sp, sp2 , sp3
(D) sp, sp3 , sp2

m
co
44. Write the reagent(s) for the following transformation.
.
em
CH CHO

©3 g
--+
a
las ©
(A) alkaline KMnO 4
(B) K2 Cr 2 O 7 /H 2 SO 4 (dil)
(C) CrO 3 /HOAC/ Ac2 O
(D) CrO 3 /4(N) H2 SO 4

m
.co
Y!K1<1~C-1~ ~J M<l51~<15/M<151~<15~~
m
881

.co CHO
s e m
em l a
ag las
(A)~ KMnO
© ag
4

(B) K2Cr 2O 7 /H 2 SO/a1,l I \

(C) CrO 3 /HOAC/ Ac 2O
(D) CrO 3 /4(N) H2 SO 4

m .
.co m
9-PC-Series R J9 [P.T.0.

s e
s em l a
g la ag

a For more Question Papers, Sample Papers, Notes & Syllabus visit Page 19 of 24

:-1111 t J iZ: .... ?CPTiCPll9 s

45. Predict the final products of the following reaction.

O- CH 3
~ - + HI Products

(A) Methanol + iodobenzene
(B) Phenol + methyl iodide
(C) Phenol + methanol

(D) Iodobenzene + methyl iodide

~O-CH 3
V +HI

(A) + GllcJllC\51<.<1~'1

(B) + GllcJll\Sl~\S

(C)

(D) GllcJllC\SIC<l~if+ GllC~I\Sl~iS

46. Identify the product of the following reaction.

Zn/NaOH/H 2 0
Product

(A) Hydrazo benzene (B) Aniline

(C) Azobenzene (D) Azoxybenzene

Zn/NaOH/H 2 0
ti

(A) ~~lcatlC<l~'1 (B) Gl]IHM~

(C) GlJlcatlC<1~'1 (D) Glllcatl~<A~~

9-PC- Series R 20

For more Question Papers, Sample Papers, Notes & Syllabus visit Page 20 of 24

m
m .co

m .co s e m
la considering their
se47. How would you distinguish nucleotide and nucleoside
g
structural features? a
(A) Analysing the presence of phosphate unit

(B) Analysing the presence of heterocyclic base unit

(C) Analysing the presence of nucleic acid
m
(D) Analysing the presence of H-bond m .co
m .co s e m
as e ~9fl~~?
g la
gl a
8<\I >il~tJU

(A) ~>iC~U
a

m
m .co
s e
48. Affirm the sugar unit being generatedlaupon complete hydrolysis of cellulose .
a g
(A) D-fructose

(B) D-glucose

(C) L-glucose

(D) D-ribose
m
m .co
.co s e m
s em g l a
g la (A) D-f<ft.6l<at a
a I >

(B) D -~

(C) L-~

m .
c. o m
9-PC--Series R 21

s e
s em l a
g la ag

a For more Question Papers, Sample Papers, Notes & Syllabus visit Page 21 of 24

ffl P SI -- WIIFFT om s·

49. , Predict the key structural aspects of natural rubber.
(A) Composed of random cis-structure and trans-structure
(B) Completely cis -structure
(C) Completely trans-structure
(D) Alternative cis-structure and trans-structure

8~1 tlli5N>~ ~1<11<.~~ ~~.qJ~

(A) ~M.:iJ~ cis-.,1~.:il<fN>'6 trans-'il~.:il<fN>
(B) JfR9i_'lcis-.,1~.:il<fN>

(C) JfR9i_'ltrans-~l<fN>

(D) cis-')J~--!l<fN>'6 trans-'il~.:iltN>

SO. CO(g) damages which part of the human body mostly?
(A) Liver (B) Kidney
(C) Blood (D) Lungs

a: o I CO(g) ~l;:i.q•l~<.~~ '5f~~ >1.q<.1>tJl

(A)~ (B)

(C) (D)

51. Which among the following compounds remains silent during iodoform test?
(A) Ethanol
. ,
' ,..,_ - ,., (B) Propanone
(C) 2-phenylethanol
(D) 1-butanol

en 1 Qlt4>f~faffl ~,c~l<.\SI~~MfJli~I~ ~?
(A)\~

(B) ctrt~

(C) 2-~.:il~61 \~
(D) 1-Mts'Gl.:idl

.9..,-I?O--;SeriesR 22

( For more Question Papers, Sample Papers, Notes & Syllabus visit Page 22 of 24

om . co
m

. c s e
m a
se 52. If the density of methanol is 0 ·8 kgL- 1, then find athegl volume of methanol
required to prepare 2·5 L 0·25 (M) aqueous methanol solution .

(A) 25 ml (B) 40 ml

(C) 2·5 ml (D) 20 ml

m
<1~1 1it~~ 0·8 kgL- 1 ~, 0·25 (M)
m 2 ·5 L~1it~lM'f ~~tl~IISf~~
.co
1it~ '51 l{l\6--l ~'fiT
m .cIo s e m
s e g la
(A) 25 ml
g la (B) 40 ml a
a
(C) 2·5 ml (D) 20 ml

53. Mention the correct set of four quantum numbers bearing valence electron
of Rubidium atom (Z = 37) among the following.

1 m
co
(A) 5, 0, 1, +

m .
(B) 5, 0, 0, + 21 s e
g l a
(C) 5, 1, 0, + 21
a

(D) 5, l, } , +_21 ,• l

<1io1 ~f<jR,{li~ (Z = 37) c~ll8fl'~I ~C61~~C--l~ mft C~l~l,;;I~ "!"~~ At.:tl'Si~~
m
c o m m.co
m . s e
s e (A) 5, 0, 1, + 21
l a
l a ag
ag (B) 5, 0, 0, + 21

(C) 5, 1, 0, + 21

(D) 5, 1, 1, +1
om .
9-PC-Series R 23 (P.T.O.
.c e m
em l as
s ag

gla For more Question Papers, Sample Papers, Notes & Syllabus visit Page 23 of 24

mw,ewr rrr>-

59. Follow the decomposition reaction:

0-- N==:
+ N Cl-+ O- 0
'I_~ Cl+ N (g) 2

If the concentration of benzene diazonium chloride at 0 °C is made doublef,
.
then the rate of formation ·
of N (g) is also doubled. Determine the order o
. . 2
the decomposition reaction.

(A) 2 (B) 3

(C) 1 (D) 4

0--N==== c?--. O--c1+
N N2(g)

0 °C ~@Fl \Sl½-IIC<$tlM½-11~ @l~~C\S~ 'I~ N~'f ~, N2(g)-IQ~
~'8 N~'f I MC½-ll'$t~ MRl-½-llt'&~ ~'m I

(A) 2 (B) 3
(C) 1 (D) 4

60. At 1 atm pressure, if a sample of H (g) be dissolved in ice-water mixture, then
2
it assumes 69·37 cc volume. Further, if the same sample ofH (g) be dissolved
2
in boiling benzene also at 1 atm pressure, then its volume approximates
89·71 cc. With these observations, predict the boiling temperature of benzene.

(A) 80·05 °C (B) 353·05 °C

(C) 211·10 °C (D) 22 ·79 °C

~01 ~'6~~H 2(g)-IQ~~~.M~M~, 1 atm Dtt'Pt~~Gll½-1'5!~69·37 cc I
~, H 2 (g)-~~ ~~~lt'&C<t> 1 atm mC'9f caj"'~ M~~G OTTU 89·71 cc
1511½-I~~ aj'~ I ~O~l'li ')f~ I

(A) 80·05 °C (B) 353·05 °C

(C) 211 · 10 °C (D) 22·79 °C

9-PC-Series R 26

i
II I

L_ For more Question Papers, Sample Papers, Notes & Syllabus visit
.unma WWW :awaaam,wu:;
Page 24 of 24