1
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
The general molecular formula, which represents the homologous series of alkanols is
A
CnH2n+2O
B
CnH2nO2
C
CnH2nO
D
CnH2n+1O
2
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
A carbonyl compound reacts with hydrogen cyanide to form cyanohydrin which on hydrolysis forms a racemic mixture of $$\alpha $$-hydrixy acid. The carbonyl compound is
A
formaldehyde
B
acetaldehyde
C
acetone
D
diethyl ketone
3
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
Self condensation of two moles of ethyl acetate in presence of sodium ethoxide yields
A
ethyl propionate
B
ethyl butyrate
C
acetoacetic ester
D
methyl acetoacetate
4
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
A coil of inductive reactance 31 $$\Omega $$ has a resistance of 8 $$\Omega $$. It is placed in series with a condenser of capacitative reactance 25 $$\Omega $$. The combination is connected to an a.c. source of 110 V. The power factor of the circuit is
A
0.33
B
0.56
C
0.64
D
0.80