1
MCQ (Single Correct Answer)

AIPMT 2001

Which of the following is correct?
A
On reduction, any aldehyde gives secondary alcohol.
B
Reaction of vegetable oil with H2SO4 gives glycerine
C
Alcoholic iodine with NaOH gives iodoform.
D
Sucrose on reaction with NaCl gives invert sugar.

Explanation

C2H5OH + 4I2 + NaOH $$ \to $$

CHI3 + NaI + HCOONa + H2O

Iodoform is a pale yellow solid which crystallises in hexagonal plates.

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