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
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 40 English
A
EL2
B
EL2/2$$\varepsilon $$0
C
EL2/2
D
zero
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