KEAM 2026 Question Paper B.Pharm with Answers (19 April 2026)

FOR KEAM EXAM PREPARATION

KEAM 2026
Question Paper ·
B.Pharm
EXAM YEAR TYPE SUBJECT INCLUDES

KEAM 2026 Question Paper B.Pharm Answers
DATE

19 April 2026

Notes · Sample Papers · Previous Year Papers · Mock Tests

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m .co FINAL ANSWER KEY as
e m
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Question Paper Code: 8/2026/OL
Exam:BPHARM 2026 -2
Date of Test: 19-04-2026

1. The number of molecules of ethane (molar mass = 30) present in 3 g of pure ethane is
A) 6.023 × 1023 molecules
m
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B) 6.023 × 1022 molecules
C ) 6.023 × 1021
o m m
. c
molecules
s e
e m
D ) 6.023 × 1020 molecules
E ) 6.023 × 1019 smolecules l a
g l a ag
a : Option B
Correct Answer

The product of uncertainty in position and uncertainty in momentum is constant. This is
2. known as
A ) Hund’s rule
B ) Aufbau principle
C ) Heisenberg’s principle
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D ) Einstein’s principle
E ) Bohr’s correspondence principle
e m
las
ag
For a given sub-shell with azimuthal quantum number ‘� ’ the number of magnetic quantum
3. numbers possible is
A ) l(l+1)
B ) l+1
C ) 2(l+1)
D ) (l-1)
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E ) (2l+1)

om Answer : Option E
c.Correct e m
em l as
s
la 4. The number of nodal surfaces present in ‘4s’ orbital is ag
ag A ) three
B) one
C ) two
D ) zero
E ) four

m .
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em
5. Americium belongs to
s l a
g la ag
a For more Question Papers, Sample Papers, Notes & Syllabus visit Page 1 of 17

A) representative elements
B ) chalcogens
C ) lanthanoids
D ) transition elements
E ) actinoids

6. Which one of the following is not isoelectronic with other isoelectronic species?
A) Ca2+
B) O2-
C) Mg2+
D) Na+
E) F-

7. Among the noble gas elements the one with the highest electron gain enthalpy is
A) helium
B ) radon
C ) krypton
D ) xenon
E ) neon

8. What is the shape of chlorine trifluoride?
A) Tetrahedral
B ) T-shape
C ) Trigonal planar
D ) Seasaw
E ) Square pyramidal

9. Which of the following molecule does not have zero dipole moment?
A) Nitrogen trifluoride
B ) Boron trifluoride
C ) Carbon tetrachloride
D ) Beryllium difluoride
E ) Methane

10. The bond order in NO+ ion is

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c. o A ) 3 s e m
m a
se B)
C) 1
2
ag l
D ) 2.5
E ) 1.5

11. The first law of thermodynamics can be stated as
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the energy of an open systemonly is constant.
m
A)

.co m
B ) the energy of isolatedand open systemsis constant.

m s e
e
C ) the energy of closed and open systems is constant.

s l a
a ag
D ) the energy of an isolated system only is constant.

g l
a
E ) the energy of a closed system only is constant.

Correct Answer : Option D

12. In a free expansion of a gas
A) heat absorbed is zero.
B ) work done is zero.

m
C ) initial pressure is zero.
D ) internal energy change is zero.

m .co
E ) external pressure is zero.
s e
g la
a
13. Which of the following bond has the lowest mean bond enthalpy?
A) Br-Br
B ) Cl-Cl
C ) F-F
D ) H-H
E ) I-I
m
m .co
.coCorrect Answer : Option E
s e m
s em For the homogenous equilibrium N2(g) + 3H2(g) ⇋ 2NH3(g), the
g l aequilibrium constants KP
g la 14. and KC are related as a
a A ) K = K (RT)2
P C
B) KP = KC (RT)-2
C) KP = KC (RT)-3
D) KP = KC (RT)3
E) KP = KC (RT)
m .
.co s e m
s em l a
g la ag
a For more Question Papers, Sample Papers, Notes & Syllabus visit Page 3 of 17

Consider the equilibrium reaction,X(g) + Y(g) ⇋W(g) + Z(g). The equilibrium constant KC
15. for the reaction is 2.0×102 at 300 K and it decreases with increase in temperature. Which
of the following is true for the reaction?
A ) ΔH < 0
B ) ΔG < 0
C ) ΔS < 0
D ) ΔH > 0
E ) ΔS > 0

16. The oxidation numbers of carbon and hydrogen in methane are respectively
A) +4 and +1
B ) +4 and 0
C ) -4 and +1
D ) -4 and -1
E ) +4 and -1

The standard EMF of the following cell
17. Mg(s)│Mg+2 (0.01M)║Ag+(0.0001M)│Ag(s) is 3.17 V at 250C. The EMF of the cell at the
same temperature is (2.303RT/F at 250C is 0.06V)
A ) 3.17 V
B ) 2.81 V
C ) 3.35 V
D ) 6.70 V
E ) 3.0 V

The mass of Al deposited when 2 ampere current is passed through a solution of
18. Al2(SO4)3 for 1 hour is (F = 96500 C)
A) 0.67 g
B ) 1.34 g
C ) 0.134 g
D ) 0.355 g
E ) 0.067 g

19. Hypertonic solution contains
A) high molecular weight solutes
B ) low molecular weight solutes
C ) higher than 0.9% mass/volume of NaCl

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c. o D ) s e m
m a
se less than 0.9% mass/volume of NaCl
E ) high osmotic pressure ag l
Correct Answer:-Question Cancelled
20. Molal boiling point elevation is the least for the solvent
A) water
B ) ethanol
C ) benzene

m
D ) carbon tetrachloride
E ) cyclohexane

c o m m .co
. s e
em a
Correct Answer : Option A

as g l
g l a
- in alkaline medium has the rate law
a
21. The decomposition of H 2 O 2 in the presence of I
A) -d[H O
2 2 ]/dt = k[H2O2]
B) -d[H2O2]/dt = k[H2O2] [OH-]
C) -d[H2O2]/dt = k[H2O2] [I-]
D) -d[H2O2]/dt = k[H2O2]½ [I-]
E) -d[H2O2]/dt = k[H2O2] [I-]½

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s e
22. The
g la
rate equation for the reaction xA + yB → mC + nD is rate = k [A]1/2 [B]3/2. What is the
total order of the reaction?
A ) 2.0
a
B ) 1.5
C ) 1.0
D ) 0.5
E ) 2.5

o m
o c
mrate constant of a reaction at 500K is 0.02 and it increased to 0.07mat.700K. The Ea
c
. value of the reaction is about
The
s e
e m
23.
l a
l as -1 -1
[Given: R=8.3 J K mol and log (7/2) = 0.544]
a g
ag AB )) 180.1 kJ mol-1
36.2 kJ mol-1
C) 54.6 kJ mol-1
D) 42.8 kJ mol-1
E) 18.2 kJ mol-1

om
24. Which of the following pair.cof lanthanide elements have the same atomic radii? e m .
em l as
las ag
ag For more Question Papers, Sample Papers, Notes & Syllabus visit Page 5 of 17

A) Lanthanum and Lutetium
B ) Samarium and Gadolinium
C ) Praseodymium and Holmium
D ) Terbium and Cerium
E ) Promethium and Dysprosium

25. When KMnO4 is heated to 513K the products formed are K2MnO4 , O2 and
A) MnO
B ) Mn2O3
C) Mn2O7
D) MnO2
E) Mn3O4

Correct Answer : Option D

26. Which of the following pair of transition metal ions are diamagnetic?
A) Ti2+ and Mn2+

B)
Mn2+ and Ni2+
C) V2+ and Cr2+
D) Co2+ and Ni2+
E) Sc3+ and Zn2+

27. The hybridisation involved in nickel of the complex ion [Ni(CN)4]2- is
A) sp3
B) d2sp3
C) dsp2
D) sp3d
E) sp2

28. Which of the following is a didentate ligand?
A) Ethane-1, 2-diamine
B ) Chloro
C ) Cyanido
D ) Ammine
E ) EDTA

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m .co s e m
se 29. CO g
When 0.25 g of an organic compound is completely oxidisedl awith excess oxygen, 0.22 g of
a compound?
2 is produced. What is the percentage of carbon in the
A) 40 %
B ) 24 %
C ) 48 %
D ) 30 %
E ) 18 %

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When ethene is treated with H2 in the presence of a catalyst, ethane is formed. This
s e m
e
30. reaction is an example of
s l a
g l a
A ) substitution reaction ag
a
B ) elimination reaction
C ) oxidation reaction
D ) addition reaction

E)
rearrangement reaction

Correct Answer : Option D

m
31. Eclipsed and staggered forms of n-butane are.co
e m
A) chain isomers
las
B ) position isomers
C ) rotamers ag
D ) geometrical isomers
E ) metamers

32. The most acidic hydrogen is present in
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A) propene
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B ) 1, 3-butadiene

m s e
a
C ) 2-butyne

s e g l
la
D ) propyne

g E ) n-butane a
a
Correct Answer : Option D

Which of the following organic halogen compound has high reactivity towards SN1
33. mechanism?
A) Chloroethane
B ) Iodoethane
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C ) Chlorobenzene

s e
em
D ) 2-Chloropropane

s l a
g la ag
a For more Question Papers, Sample Papers, Notes & Syllabus visit Page 7 of 17

E) Benzyl chloride

34. Grignard reagent is prepared by the action of ----- on bromoethane in ----- medium.
A) Na, H2O
B) Mg, H2O
C) Mg, dry ether
D ) Na, dry ether
E ) Cu, H2O

35. The compound with the lowest pKa value is
A) ethanol
B ) phenol
C ) p-nitrophenol
D ) o-cresol
E ) p-cresol

2-Bromopropane reacts with Mg in dry ether to give a product which on treatment with
36. HCHO forms an addition product. The addition product on hydrolysis forms
A) 1-butanol
B ) 2-butanol
C ) 2-propanol
D ) 2-methyl-1-propanol
E ) 2-methyl-2-propanol

Correct Answer : Option D

37. Intramolecular hydrogen bond is present in
A) phenol
B ) o-nitrophenol
C ) p-nitrophenol
D ) o-cresol
E ) p-cresol

38. Which of the following undergoes haloform reaction?
A) Benzophenone
B ) 2, 2-Dimethylpropanal
C ) Methanal
D ) Propanone

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c. o E ) Propanal s e m
m a
se Correct Answer : Option D ag l
39. Benzaldehyde reacts with HNO3/H2SO4 at 273-283 K to give
A) benzoic acid
B ) m-nitrobenzoic acid
C ) m-nitrobenzaldehyde
D ) o-nitrobenzaldehyde
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E ) o-nitrobenzoic acid

o m m
c
. C s e
m
Correct Answer : Option
e l a
as
l name of propanedioic acid is ag
40. The common
g
aacid
A ) succinic
B) malonic acid
C ) glutaric acid
D ) oxalic acid
E ) adipic acid

o m
c
. to give a product insoluble in NaOH. The
41. amine is
e m
An aliphatic amine reacts with Hinsberg’s reagent

las
A ) ethanamine
B ) N-methylethanamine a g
C) benzenamine
D ) N, N-diethylethanamine
E ) p-toludine

42. When ethanamide is treated with Br2 and NaOH in ethanolic solution we get m
om . co
A)
. c
ethanamine
e m
e mB ) bromoethanamide
l as
las C ) bromoethane
ag
ag D ) methanamine
E ) 2-bromoethanamine

Correct Answer : Option D

43. Benzenamine reacts with ethanoic anhydride to give
A) benzamide
B ) N-phenylbenzamide
m .
.co m
C ) N-phenylethanamide

s e
em a
D ) o-aminoacetophenone
s l
g la ag
a For more Question Papers, Sample Papers, Notes & Syllabus visit Page 9 of 17

E) p-ethylbenzamide

44. Glucose reacts with HNO3 to give
A) gluconic acid
B ) saccharic acid
C ) adipic acid
D ) glyceric acid
E ) tartaric acid

45. Which of the following is a sulphur containing α-amino acid?
A) Glutamine
B ) Asparagine
C ) Threonine
D ) Serine
E ) Cysteine

��
46. The value of the measurement 14.0 × 10 + 8.3 × 10 �� with respect to significant
figures is
A) 8.4 × 10 ��
B ) 2.43 × 10
��

C ) 8.314 × 10
��

D ) 8.44 × 10
��

E ) 8.440 × 10
��

The displacement of a particle moving along x-axis is given as
47. �� = � � � − 12� + 3�m. . The particle will come to rest in
�
A) 4s
B ) 5s
C ) 16 s
D) 8s
E ) 6s

Correct Answer : Option D

→ ^ is 2, then the value of � is
48. If the magnitude of the vector � = ��^ + 0.8�^ + 0.6�

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c. o A ) √5 s e m
m a
se B) 2
ag l
C) 3
D) √3
E) √2

Correct Answer : Option D

The linear speed of a stone revolving 5 times in a circle of 4 cm radius in 2 minute is (in
m
.co
49. cms-1)
m
A)
�

m .co s e m
�
s e l a
a ag
��
B)
�
g l
C)
� a
�
��
D)
�
�
E)
�

o m
When two perpendicular forces 3 N and 4 Nm
. c
50. ms-2. The mass of the body is
s e act on a body at rest, it is accelerated to 2

g la
A ) 1.5 kg
B ) 2.5 kg`
a
C) 3 kg
D ) 3.5 kg
E ) 2 kg

m
om A ball falling from a height of 20 m hits a floor and bounces back to a height of 17 m. The
51. percentage
c7.5 m.co
.
of energy lost by the ball during the impact is

m s e
s e B ) 10
A)

g l a
g la C ) 15 a
a D) 5
E) 20

A spring of spring constant k is cut into n pieces of equal length. The force constant of any
52. one of the pieces is
m .
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��
A)
e m
�
em l as
las ag
ag For more Question Papers, Sample Papers, Notes & Syllabus visit Page 11 of 17

�
B)
�
C) �� �
�
D)
�
E) ��

When the total external force acting on a moving system is zero, the velocity of the center
53. of mass
A) remains constant
B ) becomes zero
C ) increases
D ) becomes infinity
E ) decreases

54. In a steam engine, the flywheel is used to resist
A) the slight increase or decrease of the speed of the vehicle
B ) the sudden increase or decrease of the speed of the vehicle
C ) the sudden stoppage of the vehicle
D ) only the sudden increase of the speed of the vehicle
E ) only the slight decrease of the speed of the vehicle

When a satellite moves from the farthest stable orbit to the nearest stable orbit towards the
55. earth, its gravitational potential energy
A) increases
B ) becomes zero
C ) remains constant
D ) decreases
E ) first increases then decreases

Correct Answer : Option D

56. Which one is INCORRECT?
A) Stress is not a vector.
B ) Young’s modulus is applicable only for solids
C ) Compressibility is relevant for solids, liquids and gases
D ) Elastomers have larger Young’s modulus than metals
E ) Tension per unit area is equal to the tensile stress

Correct Answer : Option D

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m .co s e m
a
Two different syringes having radii in the ratio 1: 5 are applied with same pressure. The
se l
57. forces acting on these syringes are in the ratio
A) 5:1 ag
B ) 1 : 10
C ) 1 : 25
D ) 25 : 1
E) 1:5

m
co
mof ice at 0 � converts it into steam at 100 � . The curve that
58. Heat supplied to a block
� �
m .co
m. s e
represents this change of state is

s e l a
g l a ag
A) a

B)

m
m .co
s e
g la
C) a

D)

m
m .co
.co s e m
s emE ) g l a
g la a
a

If the diatomic molecule is non-rigid, then its molar specific heat capacity at constant
59. volume is
�
� m .
.co
A)
�
e m
em l as
las ag
ag For more Question Papers, Sample Papers, Notes & Syllabus visit Page 13 of 17

�
B) �
�
�
C) �
�
�
D) �
�
�
E) �
�

The displacement and acceleration of a particle oscillating simple harmonically are
60. respectively 3.0 m and 48.0 ms-2. The angular frequency of the particle is (in s-1)
A) 6
B) 3
C) 5
D) 2
E) 4

An organ pipe open at both the ends has its fundamental frequency 200 Hz. If one end of it
61. is closed and the other end is kept open, the frequencies produced by it are
A) 200 Hz, 400 Hz, 600 Hz, 800 Hz….
B ) 200 Hz, 300 Hz, 400 Hz, 500 Hz….
C ) 100 Hz, 300 Hz, 500 Hz, 700 Hz….
D ) 100 Hz, 200 Hz, 300 Hz, 400 Hz….
E ) 200 Hz, 250 Hz, 300 Hz, 350 Hz….

If the potential difference between two points separated by a distance in a uniform electric
62. field of 800 NC-1 is 16 V, then the distance of separation (in cm) is
A) 2.0
B ) 3.0
C ) 1.5
D ) 2.5
E ) 1.0

When filled with a dielectric, the capacitance C of a capacitor changes by 2C. Then the
63. dielectric constant of the dielectric is
A) 1
B) 4
C) 5
D) 3
E) 2

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m .co s e m
se Correct Answer : Option D
g l a
a
The drift velocity of electrons in a linear conductor of given length under a potential can be
64. doubled by
A) decreasing the potential 4 times
B ) increasing the potential 2 times
C ) decreasing the potential 8 times
D ) increasing the potential 4 times

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E ) decreasing the potential 2 times

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m s e m
s e potential of 200 V is maintained between the ends of a conductor, g
l a
l a
When an electric
a a
65. current ofg3 A flows through it. The amount of heat energy dissipated in the time interval 25
s is a
A) 3 kJ
B ) 22.5 kJ
C ) 7.5 kJ
D ) 6 kJ
E ) 15 kJ

m

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s e
la
In a cyclotron, the frequency of revolution of a charged particle of energy E moving in a

of revolution of the charged particle is ag
66. magnetic field is � . If the energy of the charged particle in it is doubled, then the frequency

A) �
�
B)
�
C) 2�
�
D)
�

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E) 4�
m
m .co Correct Answer : Option A
s e m
s e g a
l is
l a 67. a
Among the following magnetic materials, the diamagnetic material
ag A ) gadolinium
B) sodium
C ) bismuth
D ) calcium
E ) iron

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If an emf of 2 V is induced in a coil in 6 s, then the change of flux (in Wb) in the coil during
s e m
em a
68. the time is
s l
g la ag
a For more Question Papers, Sample Papers, Notes & Syllabus visit Page 15 of 17

A) 3
B ) 24
C) 6
D ) 18
E ) 12

��
of cm2 is about 9 × 10
69. If the force due to sun’s radiation on surface area N, then the
radiation pressure of the sun’s radiation(in Nm-2)is
A) 1.8 × 10 ��
B ) 4.5 × 10
��

C ) 3.6 × 10
��

D ) 2.45 × 10
��

E ) 1.2 × 10
��

Correct Answer:-Question Cancelled
5 thin lenses each of 20 cm focal length are placed in contact with each other. The net
70. power of this lens combination is
A) 5D
B ) 20 D
C ) 10 D
D ) 25 D
E ) 15 D

Correct Answer : Option D

In Young’s double slit experiment, monochromatic light of 500 nm falls on the slits
71. separated by a distance of 2 mm. If the screen is 2 m away from the source, then the
fringe width is
A ) 5 mm
B ) 2.0 mm
C ) 0.5 mm
D ) 2.5 mm
E ) 1.5 mm

��
The work function of a material that has the threshold frequency of 5 × 10 Hz is (ℎ =
72. ���
6.626 × 10 Js)
A) 3.09eV
B ) 5.35eV
C ) 4.14eV
D ) 2.07 eV
E ) 1.03eV

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m .co s e m
se Correct Answer : Option D
g l a
a
73. The energy of the electron in third excited state of the hydrogen atom is
A) -0.54 eV
B ) -1.51 eV
C ) -13.6 eV
D ) -3.4 eV
E ) -0.85 eV
m
m .co
.co m

m s e
s e
The expected mass of ��� � nucleus is l a
74.
g la is 1.00866 u; Mass of proton is 1.00727 u) ag
A ) 8.0637a
(Mass of neutron
u
B) 12.0956 u
C ) 6.0478 u
D ) 2.0159 u
E ) 10.0797 u

m

c o
If the voltage applied to a diode having forward. bias resistance of 1 Ω is changed from 0.6
75. V to 0.9 V, the change in current in it is em
l as
ag
A ) 300 mA
B ) 250 mA
C) 400 mA
D ) 450 mA
E ) 750 mA

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

m .
.co s e m
s em l a
g la ag
a For more Question Papers, Sample Papers, Notes & Syllabus visit Page 17 of 17