1
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Change Language
The possible stereo-structures of CH3CHOHCOOH, which are optically active, are called
A
atropisomers
B
enantiomers
C
mesomers
D
diastereomers
2
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Change Language
In an SN1 reaction on chiral centers, there is
A
inversion more than retention leading to partial racemisation
B
100% retention
C
100% inversion
D
100% racemisation
3
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Change Language
A rectangular coil of length 0.12 m and width 0.1 m having 50 turns of wire is suspended vertically in a uniform magnetic field of strength 0.2 weber/m2. The coil carries a current of 2 A. If the plane of the coil is inclined at an angle of 30o with the direction of the field, the torque required to keep the coil in stable equilibrium will be
A
0.24 Nm
B
0.12 Nm
C
0.15 Nm
D
0.20 Nm
4
AIPMT 2015
MCQ (Single Correct Answer)
+4
-1
Change Language
4.0 g of a gas occupies 22.4 litres at NTP. The specific heat capacity of the gas at constant volume is 5.0 J K$$-$$1 mol$$-$$1. If the speed of sound in this gas at NTP is 952 m s$$-$$1, then the heat capacity at constant pressure is
(Take gas constant R $$=$$ 8.3 J K$$-$$1 mol$$-$$1)
A
7.0 J K$$-$$1 mol$$-$$1
B
8.5 J K$$-$$1 mol$$-$$1
C
8.0 J K$$-$$1 mol$$-$$1
D
7.5 J K$$-$$1 mol$$-$$1
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