1
MCQ (Single Correct Answer)

AIPMT 2015 Cancelled Paper

The reaction,


is called
A
Etard reaction
B
Gattermann-Koch reaction
C
Williamson synthesis
D
Williamson continuous etherification process

Explanation

Williamson synthesis is the best method for the preparation of ethers.
2
MCQ (Single Correct Answer)

AIPMT 2015

Reaction of phenol with chloroform in presence of dilute sodium hydroxide finally introduces which one of the following functional group?
A
$$-$$COOH
B
$$-$$CHCl2
C
$$-$$CHO
D
$$-$$CH2Cl

Explanation

This is Reimer–Tiemann reaction.
3
MCQ (Single Correct Answer)

AIPMT 2014

Among the following sets of reactants which one produces anisole?
A
CH3CHO ; RMgX
B
C6H5OH ; NaOH ; CH3I
C
C6H5OH ; neutral FeCl3
D
C6H5CH3 ; CH3COCl ; AlCl3

Explanation

Phenols react with alkyl halides in alkaline medium to form ethers. Therefore,
4
MCQ (Single Correct Answer)

AIPMT 2014

Which of the following will not be soluble in sodium hydrogen carbonate?
A
2, 4, 6 - Trinitrophenol
B
Benzoic acid
C
o-Nitrophenol
D
Benzenesulphonic acid

Explanation

Acid reacts with sodium hydrogen carbonate as follows :

Among all the given options ortho-nitrophenol is weaker acid than HCO3 hence, it does not react with NaHCO3.

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