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
Nucleophilic addition reaction will be most favoured in
A
CH3CHO
B
AIPMT 2006 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 51 English Option 2
C
(CH3)2C $$=$$ O
D
CH3CH2CHO
3
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
A transistor-oscillator using a resonant circuit with an inductor L (of negligible resistance) and a capacitor C in series produce oscillations of frequency $$f$$. If L is doubled and C is changed to 4C, the frequency will be
A
$$f/2$$
B
$$f/4$$
C
$$8f$$
D
$$f/2$$$$\sqrt 2 $$
4
AIPMT 2006
MCQ (Single Correct Answer)
+4
-1
An electric dipole of moment $$\overrightarrow p $$ is lying along a uniform electric field $$\overrightarrow E $$. The work done in rotating the dipole by 90o is
A
pE
B
$$\sqrt 2 pE$$
C
pE/2
D
2pE
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