TBJEE 2022 Question Paper - Physics and Chemistry

FOR TBJEE EXAM PREPARATION

TBJEE 2022
Question Paper ·
Chemistry
EXAM YEAR TYPE SUBJECT DETAILS

TBJEE 2022 Question Paper Chemistry Physics

Notes · Sample Papers · Previous Year Papers · Mock Tests

.
m .co s e m TBJEE 2022 Question Paper Chemistry

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DO NOT OPEN THE SEAL UNTIL YOU ARE ASKED TO DO So

2022
Question Paper Series m
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a PC
ag PHYSICS AND CHEMISTRY

Time: 1-5 Hours Maximum Marks: 240

m
9 Total Marks : 240 (4 x 60)
o
Answerm c
all. questions
s e
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l 28 pages. Each MultipleChoice Question(MCQ)
This Question Paper consistsa of SEAL
is provided with four options (A), (B), (C)and (D). Identify the correct option and
darken/fill the correspondingcircle (A)/(B)/(C)/(D)with Blue/BlackBallpointPen
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
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(A)/(B)/(C)/(D)7 P0A0 Ballpoint Pen frC sfa

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Page 1 of 25

PHYSICS
d The power of two electric bulbs are P. and P, respectively.If they are connected in series,
then power of the combinationwill be
(A) P+ P B) JRB
(C) RP
JRP (D)
R+

(A) P +P,
(B) RP
(C)
(D) P+P,
2. A heater of 92 resistance is connected to 30 V DC supply for 1
by the heater is
minute. Energy produced
(A) 100J 270 J
(B)
(C) 600J (D) 6000 J

(A) 100J (B) 270 J
(C) 600J (D 6000 J

3. With reference to the given combination of resistances, the
equivalent resistance RaR
between points A and B is

A B

62

(A) 18 B)
16
5
(C) 32 (D) 52

AB

4 2

A

3 S2 6 2

(A) (B)
(C) 32 (D) 52

PC--Series Q 2

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.
m .co s e m

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4, The distance travelledby a light ray in 1 ns in a glassa of refractiveindex p=15 is
(A) 45 cm (B) 40 cm

(C) 30 cm (D 20 cm

co
(A) 45 cm (B) 40 cm

. c om e m .
s
(C) 30 cm (D) 20 cm

e m l a
l as ag
a g 4 5
5. If the refractive indices,of water and glass are and respectively,then critiçalangle
for light rays during its passage from glassto water will be
(B) sin-1
5 5

9 sin-17
(C) sin-l 20 (D)
om
16

. c
e m
s
4 5

l a 3

ag
(A) sin-l 4 (B) sin-l3
5 5

(C) sin-l_9 sin1 7
20
(D) 16

m
.co
6. Two thin lenses of powers +12D and -2D respectivelyare kept side by side. The focal
m
.co
length of the combination is
e m
e m (A) 10 cm (B) 12 cm
l as
las (C) 14 cm (D) 20 cm ag

(A) 10 cm (B) 12 cm

(C) 14 cm (D) 20 cm

PC Series Q 3 P.T.0.
m
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T The minimum wavelengthof X-ray emitted from an X-ray tube is 4:125 x 1o** nm, then
voltage applied to the X-ray tube is
(A) 80 kV (B) 30 kV
(C) 50 kV (D) 60 kV

(A) 80 kV 30 kV
(B)
(C) 50 kV 60 kV
(D)

8. The wavelengthof photon emitted by a hydrogenatom
when an electron makes a transition
from n=2 to n =1 orbital is
(A) 121·8 nm S8 (B) 194-8 nm viut
(C) 490:7 nm 1 s
b(D) 9133 nm

(A) 121·8 nm (B) 194-8 nm
(C) 490-7 nm (D) 913-3 nm

9. The equivalent logic gate of the given logic circuit is

(A) NOR (B) OR
(C) AND (D) NAND

A

(A) NOR
(B) OR
(C) AND
(D) NAND
PC--Series Q

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.
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em l a
g as fundamentalunits, then
a
10. If velocity (V), acceleration(A) and force (F) are considered
the dimension of Young's modulus will be
(A) FAV-5 (B) FAV+

(C) FA?V-3 (D) FAV-?

(A) FAV-s
om FA?V-+ . co
m
(B)
. c s e
(C) FA'V-3 em a
as (D) FAPV2
g l
g l a
a
11. When a small object of mass m is thrown verticallyupward, the graphicalrepresentation
of its velocity versus time is shown below :

2a

velocityf 25
time
m
b

.co
-a

m
-2a

e
sheight attainedby the objectwill be
g l
With referenceto this graph, maximum a
(A) 2a
a (B) 2b

(C) ab (D) 2ab

m
2a

m a
.co
.co m
2b

m s e
s e g la
gla a
-2a

(A) 2a (B) 2b

(C) ab (D) 2ab

PC--Series Q 5 [P.T.O.
m
m .co s e m
se
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Page 5 of 25

three light weight wires A,
a. As shown in the figure below,a block of mass 1 kg is hung by in the wire
Band C from point P on the roof and point Q on the wall. Tension produced
Bis

P
45°%Roof
L900
Wall
Q B |A
1kg
1
(A) ON

(C) 1N (D) /2N

459%
90°
oB A

1kg

(A) ON (B)

(C) IN (D)

13. Two uniform circular discs A and Bhave radii of 10cn and 30 cm respectivelyand have
same material and same thickness. The ratio of their moment of inertia about their axes

will be

(A) 1:81 (B) 1:27
(C) 1:9 (D) -1:3

(A) 1:81 (B) 1:27

(C) 1:9 (D) 1:3

PC-Series Q 6

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.
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em l a
ag
14. A solid sphere of radius R gravitationallyattracts a particle of mass m at a distance 3R
R
from its centre such that the force is F..
1
Now a sphericalcavity of radius 2 is extracted
(as shown in the figure below)from the sphere and the force becomes F,. F is
2 The value of

Hollow sphere

co
R NIH m

. com e m .
e m M 3R
l as
l as ag
g
(A) 41/50 (B) 50/41
a
(C) 25/36 (D) 36/25

m
.co
em
R m

l as
M
ag 3R

(A) 41/50 (B) 50/41
(C) 25/36 (D) 36/25

15. The spring constant of a toy pistol is k. If the spring is compressed by a distance x and a
bullet of mass m is thrown vertically upward, what will be the maximum height attained
by the bullet?
kx?
m
.co
kx
(B)
m (A) mg mg

m .co kx kx?
s e m
e la
(C) 2mg (D)
s
2rng
g
gla a
kx kx?
(A) mg (B)
mg

kx kx?
(C) 2mg (D) 2rng

om
PC Series Q [P.T.0.
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m as
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16. Two soap bubblesof radii 4 cm and 5 cm touch each other and producea common surface
as shown below. The radius of curvature of the common surface is

cm)

Acm)

(A) 4:5 cm 20
(B) 9
cm

(C) 9 cm
(D) 20 cm

/5 cm
4 cm

20
(A) 4-5 cm (B) cm
9

(C) 9 cm (D) 20 cm

17. When a bob is thrown from earth's surface vertically upward with half the escape
velocity, what willbe the maximum height attained by this bob?
R R
(A) 6 (B) 3

2R
(C) 3 (D) R

R
(A) (B)

2R
(C) 3 (D) R

PC--Series Q 8

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.
m .co s e m

l a
g of radius 16 m. For what
a
18, A bucket full of water is rotated in a vertical circular path
expected maximum time period of revolution,water will not spill out from the bucket?
(A) 1-5 s (B) 2·5 s
(C) 3-5s (D) 4-5 s

om . co
(A) 1-5 s
. c (B) 2-5 s
e m
e m l as
s
(C) 3-5 s (D) 4:5 s

l a ag
g
a of radiationof energyfrom high temperatureblack body at TK is E W/m². What
19. The rate
will be the rate of radiation,if temperaturedecreasesto
8E 16E
(A) 27 (B) 27

16E 32E
(C) (D)
81
m81

m .co
s e
l a
8E
ag 16E
(A) 27 (B 27

16E 32E
(C) 81
(D) 81

20. Two gases having equal temperatureT, equal pressureP and equal volume Vare mixed
m be
together. If temperatureof the mixtureis Tand volume is V, then its pressurewill
om(A) P . co
. c (B)
e m
e m las
las (C) 2P (D) 4P
ag

(A) P (B %
(C) 2P (D) 4P

PC-Series Q |P.T.0.
m
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Page 9 of 25

The ratio of densities of a solid at 0 °C and 500°C is 1-027:1, the coefficientof linear
expansion of the solid is
(A) 1-2 x 105/°C (B) 1:8 x 105/°c
(C) 2-4 x 105/°c (D) 30 x 105/°c

(A) 12 x 10 /°C 1:8x 105/°c
(B)
(C) 2-4 x 10/°c 30x 10/°c
(D)

22. The time period of oscillationof a simple
pendulum ina stationarylift is 2 s. When the
lift ascends with a
constant accelerationof the time period of oscillation will become
4
2
(A) ES (B) 5
2
4
V5
(D) 4

4

2
(A) 5
(B)
4
(C) V5 (D) 4

23. The velocity of a travellingwave of
frequency 500Hz is
between two points having a phase difference of 60° is 360 m/s. The minimum distance
(A) 10cm
(B) 12 cm
(C) 36 cm
(D) 18cm

(A) 10 cm
(B) 12 cm
(C) 36 cm
(D) 18 cm

PC--Series Q 10

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.
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a
0-25sin(kx-316t)and y, =0-25sin(kx -310t) are two travellingwaves moving in
24. u,
be
the same direction. When they superpose. the number of beats produced will

3
(A) (B) 3

(C) 31
om
(D) 6
. co
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em as
as yC bARI SCTAgl
l
81 t baost y = 0-25sin(kx-316t) q7% ya =0-25 sin(kx-310t) g
g a
a
3
(A) (B) 3
T

(C) 3n (D) 6
m
m .co
e
s on an electronof charge -e-e and
g l a
25. When auniform electric field E is applied an mass m
magnitude of acceleration will be a

mE eE
(A) (B) m
e

em
e (D)
(C)
m
E

.co
Tm

m
m .co s e m
s e g la
gla a
mE eE
(A) (B) m
e

em
(C) (D) E
m

om
PC-Series Q 11 [P.T.0.

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Page 11 of 25

40A Charge q is placed at one corner (here at the origin) of acube as showm below. The
Outgoing electric flux through the shaded area is

(A)
48&0 (B) 6¬

(C) 128o (D) 24 &o

(A) (B)
48¬0 680

9
(C) 1280 (D)
24¬o
PC--Series Q 12

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.
m .co s e m

l a
agB of the given combinationof
27. The equivalentcapacitance Cap for the points A and
capacitances is

6 uF

C 24 uF 12 uF

A
H
9 uF B

om . co
. c 18 uF
e m
e m l as
(A) 10uF
as (B) 12-5uF
ag
gl
(C) a15uF (D) 32 uF

6 uF

24 uF 12 uF

m
c. o
A B
9 uF

e m 18 uF
l as
(A) 10uF ag (B) 12-5uF

(C) 15uF (D) 32uF

28. A thin metallic wire of length lcarrying current I is bent to form a circle. The induced
magnetic moment of this system is

m
4nI TI

.co
(A) (B)
m
c. o (C) I12 Il
s e m
e m (D) 2T
la
s g
4

la a
4I TI
(A) (B)

Il
(C) (D) 2T
4

om
PC--Series Q 13 (P.T.0.

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Page 13 of 25

29. Acharged particle having charge qand mass mmoving at a constantvelocity venters a
ransverse uniform magnetic field of strength B. will move in a circular path of radius

(A) mB (B) Bu
mu mB
(C) (D)
Bq

mqB
(A) mg
(B) Bu
mu
mB
(C) Bq (D)

30. The expectedvalue of current(I) at t=0 and t=oo respectivelyfor the given circuit (t is
time) will be
52 52

12 42
W W
L

18V 5V 5V 18V
(A) 55 18 (B) 18 55
5V 10V 10V 5V
(C) 18 33 (D) 33 18

52 52

12 42
W

18V 5V 5V 18V
(A) 55 18 (B) 18 55
5V 10V 10V 5V
(C) 18 33 (D) 33 18

PCSeries Q 14

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.
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em CHEMISTRY ag l a
31. Ifone or more odd-electron(s)is/are presentin a complexcompound,then it is designated
as

(A) diamagnetic (B) ferromagnetic
(C) ferrimagnetic (D) paramagnetic

co
(A) BIWNITCAbE (B) RJ1SÍb
(C) #RNIiStLAfDAcom m .
. (D)
s e
s em g l a
g la a
a the IUPAC name of the compound CH,C
32. Mention CHC NH,.
CH,
(A) 1-Amino-2-methyl butan-1,3-dione (B) 2-Methyl-3-Oxobutanamide
(C) 3-Methyl-2-oxobutanamide (D) 2-Oxo-3-amidobutane

||
921 CH,C CH C- NH, IDA IUPAC At fRgo «|
m
.co
(A) 1-fAGAI-2-M1arObH-1,3-v287em (B) 2-f-3-QISbAtAIQE
CH,
s
(C) 3-fARI}A-2-ArfrtoatAs gla (D) 2-961-3-IALfRTDa
a
33. To achieve the synthesis of C,HCH,-C,H, applyingCorey-Housemethod; the reactants
will be

(A) (C,Hsl, Culi and C,H,-CH, Br
(B) C,H,Liand C,H,CH,Br
Br

m
(C) (C,H), Culiand CH,- CH CH
m(D) (CHJ),Culiand CH,CH,CH,Br .co
m .co s e m
s e g la
gla (A) (C,H_),Culi gt C,H-CH, a
Br

(B) C,H,Ligt C,Hs-CH, Br
Br

(C) (C,Hs), CuliaR CH, CH- CH,
(D) (CH), CuLi gqi CH,CH,CH,Br
15 |P.T.O.
PC-Series Q
m
m .co s e m
se
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Page 15 of 25

Wite the final product of the following reaction:
PdCL,/CuCl,
CH, CH = CH, + H,0 50 °C

(A) CH,CH,CHO (B) CH,CH,CH,OH

(C) CH, -C CH, (D) CHOCH=CH,

CH¡CH=CH, +H,0 PdCl,/CuCl,,
50 °C

(A) CH,CH,CHO (B) CH,CH,CH,0H

(C) CH, -C-CH, (D) CHOCH=CH,

35. ldentifythe products (1) and (II) observingthe following sequence of reactions:
20% H,S0, NaOH/L,excess) (I1) Ag particle
CH, C=C- H 1% HgS0,, 60 9 ’ ()
(Colored Solid)

(A) CH,CH,CHO,CH= CH (B) CH,C - CH¡

(C) CH,CH,CHO,CH,C= CH (D) CHgC-CH,, CH= CH

20% H,SO4 NaOH/I,(fofs)>(1) Ag Ff
CH, C=C- H (III)
1% HgSO4, 60 °c

(A) CH,CH,CHO, CH=CH (B) CH,-C- CH,, (0)

(C) CH,CH,CHO, CH, -C=CH (D) CH,-C CH, CH=CH
PC-Series Q 16

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.
m .co s e m

l a
g resultingdistillatewill be
athe
36. Acetone is distilledwith conc. H,SO, at high temperature,
(A) dry acetone (free from water) (B) mesityl oxide

(C) mesitylene (D) phoron

(C) Aofra
om (D) . co
. c e m
e m l as
ethanol?
l as
37. Which of the following acids requires foreign acid catalyst during esterificationwith
ag
g
a acid
(A) Oxalic (B) Benzoic acid
(C) Acetic acid (D) Formic acid

(B) fNF QS
(D)
m
m .co
38. Mention the name of pentose sugar present in RNA.
e
s(B) Glucose
:
l a
ag
(A) 2-Deoxyribose
(C) Ribose (D) Fructose

(A) 2-faIG (B)

(C) AIRATG
m
om
39. Mention the structural formula of the ring compound generated during detection of nitrate
c. radical. m.co
m (A) (Fe(H,O),NO|SO4 s e
s e g la
(B) (Fe(tH,0),(NO,)S0,
la (C) (Fe(H,O)(NO)|SO4 (D) [Fe(NO)]SO, a

(4) [Fe(H,0),NO.SO, (B) [FeltH,0),(NO),]S0,
(C) [Fe(H,0JNO),SO4 (D) [Fe(NO)]s
PC-Series Q 17 [P.T.0.
m
.co s e
s em
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Page 17 of 25

the same metal upon oxidation.
O. 0'79 gm of a metal oxide is obtained trom 0:5 gm of
Bquivalentweight of the metal will be which of the following?
(A) 10 (B) 13·8

(C) 20 (D) 40

(A) 10 (B) 13-8

(C) 20 (D) 40

41. Which set of quantum numbers is not possible?

1 1
(A) 3,2,-2, (B) 3,2,-3,2
1
(C) 4,004 D) 53,0:

(4)32-2 (B) 3,2-3.5
1 1
(C) 4,0,0, D) 5,3,0,

42. Proper decreasingorder of first ionisationpotentialof the elementsBe, B, C and Li will be
which one of the following?

(A) C>B> Be> Li (B) C> Be >B> Li

(C) B>C> Be> Li (D) Be > Li>B> C

821 Be, B, C 4R Li CAGIITS ARI<A AE AK A¢ PAD Aafafg A3T PAD?

(A) C>B> Be > Li
(B) C> Be >B> Li

(C) B>C> Be > Li
(D) Be > Li >B>C
PC-Series Q 18

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.
m .co s e m

g l a
a
43. Increasingorderof the bond angle of the compoundsNH, BF, H,0and CH, obeys which
one of the following serieses?

(A) H,0 <NH, <CH, <BF (B) H,0< CH, <NH, < BF,

(C) CH, <NHg SHg0<BRye ta (D)CH, <BF,S NH < H,0

om . co
.c e m
m <Br,
e
(A) H,O <NH, <CH, (B) H,0< CH, <NH, <BF,
l as
as
l <H,0< BF, ag
(C) CH, <gNH,
a D) CH, <BE, <NH, <H,0

44. Work done by 1 mole of an ideal gas for its adiabatic reversiblechange when temperature
attains T, from T, is
(A) (Cp-c)(T,-T) (B) C(-)
() G(T-T) (D) (C m
-C)(T +7,)
. co
e m
l as
ag
() (T-) (D) (C, -C (T +7,)

45. Afirst-orderreaction has K=5.48 X10 see. Determineits two-thirdlife (ts).
m
m
(A) 2-005 x 10 sec
c. (C)o 2.005 x 10 sec
(B) 5.002 x 10' sec
m .co
e m e(D)
la se
5-002x 10 secl.

las ag
84I t N-GA RrarIN K=5.48x10-4secia4 -yoNIKd

(A) 2-005 x 10* sec (B) 5.002 x 101 sec

(C) 2-005 x 10'*sec (D) 5-002 x10 sec

m
c. o
PCSeries Q 19 [P.T.0.

s e
s em
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Page 19 of 25

vo Density of an unknown gas at 273 K temperature and 76 cm of Hg pressure is
1·964 gm dem3. Identify the unknown gas.
(A) CH, (B) Xe
(C) C,H, (D) CO,
891 273 KUATA 76 cm e33 s IAI qG GS OEA 1964 gm dcm AI

(A) CH¡ (B) Xe
(C) C,H, (D) CO,
7
47. At 0 °C, a balloon is expanded with an ideal gas up to 490 ml which 1S uie th of its

maximum expansion volume. Now, if the temperatureis being graduallyraised, predict
at what temperature it will burst.
(A) 29 °C 30 °C
(C) 39 °C 312 °C
(D)
891
7

(A) 29 (B) 30 °C
(C) 39 °C (D) 312 °C

48. A(g)+3B(g) 4C(g) is a reversiblereaction where all the reactants and product are in
gaseous state.
Conditions :
() Concentrationsof both A and B are equal at the initiation.
(i) Concentrationsof both A and C are equal at the equilibrium.
Consideringthe imposed condition, find the value of K of this reversiblereaction.
(A) 0-08 (B) 0-8
(C) 8-0 (D) 80-0

(A) 0-08 (B) 0-8
(C) 8-0 (D) 80-0

PC-Series Q 20

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.
.co s e mTBJEE 2022 Question Paper Chemistry

em l a
A9. Consider the tollowing reversible reaction :
ag
PCI,(g) = PCl,(g)+ Cl,(g)
Which of the following factors will increase the rate of the forward reaction?Opine
(A) Inert gas is introduced at constant volume
(B) Chlorine gas is passed at constant volume
(C) By reducing the volume of reaction vessel
(D) Inert gas is introduced at constant pressure
m
om . co
. c e m
em +Cl,(g)
PCI;(g) PCl,(g)
l as
las ag
a g

50. If small amount of In(metal) is added to Ge-crystal, then the
which one of the following substances?
o m
composite will turn into
c
(B) . p-Type semiconductor
(A) Insulator
m
e(D) Rectifier
(C) n-Type semiconductor
l as
ag
(A) FaftI- (B) p-bt gÉfAIa
(C) n-bo qÉfRI (D) f*

51. Balance the following redox-reaction :
al, + bNO +4H,0 =cHNO,+ dHI m
m .co
.co
Hence, find the values of a, b, c and d.
e m
e m (C) 2, 6, 3, 2
(A) 3, 2, 2, 6 (B) 6, 2, 3, 2
las
s g
gla
(D) 3, 6, 2, 2
a
al, + bNO +4H,0= cHNO,3 t dHI
QON a, b, c 8 d-aa A AA |

(A) 3, 2, 2, 6 (B) 6, 2, 3, 2
(C) 2, 6, 3, 2 (D) 3,6, 2, 2

om
PC-Series Q 21
(P.T.O.

. c e m
m as
se
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Page 21 of 25

e The degree of dissociation(a) of an electrolyte A_B is related to the van't Hoff factor (i) via
which relation?
(A) aX+y+1 a=ty-1
i-1 (B) i-1

(C) a = i-1 i-1
X+y+1 (D) x+y-1

APy
(A) a= ty+1 X+y-1
=
i-1 (B) i-1
i-1 i-1
(C) a=
X+y+1 (D) =

x+y-1

S3. f an electrolyticsolutionhas specificresistancexand yis the molarityof that solution,
then molar conductance () of that solution will be

(A)
1000y 1000x
(B)
1000
(C) Xy
Xy (D) 1000

(A)
1000y 1000x
(B)
1000
Xy
(C) Xy (D) 1000

54. Molal ebullioscopicconstant (K,) of H,0 becomes 1·86 when glucose is used as the
solute. Predict the value ofK, of H,O if potassiumferricyanidereplaces glucose.
(A) 1·86 (B) 7-44
(C) 3-72 (D 558

(A) 1·86 (B) 7-44
(C) 3-72 (D 558

PC-Series Q 22

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.
m .co s e m

l a
ag eftecuver
55. To coagulateFe(OH), sol, which one of the following is least

(A) K4[Fe(CN)J B) KPeCN)J
(C) K,SO4 (D) KBr

om . co
(4) K,Fe(CN m.
c e m
e (B) KFe(CN)
l as
l as ag
ag
(C) K,SO4 (D) KBr

56. Which of the following compounds is the hardest material?

(A) Be,C (B) Sic

m
(C) B,C (D)
c. oGraphite
e m
l as
ag (B) Sic
(A) Be,C

(C) B,C (D) aD (Graphite)

57. Which of the following acids contains P0-P bond? m
m
c. o(A) Hypophosphorousacid m.co
m
(B)
s e
Phosphorous acid

s e g a
lacid
la (C) Pyrophosphoricacid a
(D) Orthophosphoric

m
c. o
PC- Series Q 23 [P.T.O.

s e
s em
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Page 23 of 25

58. Mention the compoundresulting from the reaction of XeF, and H,0.

(A) XeOF, (B) XeOF
(C) XeO, (D) XeO,

tbl XeF,

(A) XeOF (B) XeOF,
(C) Xeo, (D) XeO3

D9. Chemical structure/composition of gangue being generated in the smelting process
during Cu(metal) extraction is

(A) Cu,0 +FeS (B) FeSio,
(C) CuFeS, (D) Cu,S + FeO

(A) Cu,0+ FeS (B) FeSiO,
() CuFeS, (D) Cu,S+ FeO

60. Mention the name of the mineral that does not contain
Al(metal).

(A) Cryolite (B) Mica

(C) Fluospar (D) Felsper

(A) AID (B)

(C) FSA (D)

PC-Series Q 24

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.
m .co s e m

l a
SPNCR FOR ag

m . c
.co s e m
s em l a
g la ag
a

m
m .co
s e
l a
ag

m
m .co
m .co s e m
s e g la
la a

m
.co s e
s em
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Page 25 of 25