1
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
2
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
3
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
4
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
A square surface of side L metres is in the plane of the paper. A uniform electric field $$\overrightarrow E $$ (volt/m), also in the plane of the paper is limited only to the lower half of the square surface (see figure). The electric flux in SI inits associated with the surface is

AIPMT 2006 Physics - Electrostatics Question 41 English
A
EL2
B
EL2/2$$\varepsilon $$0
C
EL2/2
D
zero