53.

54.

55.

57.

58.

61.

Which of the following is not aromatic?

(A) Benzene (B) Anthracene

(0) Cyclobutadiene (D) Thiophene
Aliphatic polyamides are generally known as :

(A) Polypropylene (९) Terylenes

(C) Bakelite (D) Nylones

Stereoisomer's resulting from the restricted rotation about the single bonds, where the
rotational barrier is high enough to permit isolation of the isomeric species are called :

(ಗ) Atropisomers (B) Diastereomers

(0) Epimers (1)) Anomers
An anomalous ORD (Optical Rotatory Dispersion) curve exhibits both a maximum and
minimum, and a point of crossover. This effect in ORD is called :

(A) Gauche effect (3) Anomeric effect

(C) Cotton effect: (൩) Stereoelectronic effect

Esters having an a-hydrogen atom on treatment with a strong base like sodium ethoxide
gives a / -keto ester. Identify this reaction :

(൧) Claisen condensation (B) Darzen condensation

(0) Aldol condensation (D) Houben-Hoesch reaction
The heating of an acyl azide to an isocyanate is 11 as:

(A) Beckmann rearrangement (13) Lossen rearrangement

(C) Allylic rearrangement (0) Curtius rearrangement

Anhydrous AiCl,is not used as a reagent in:
(A) Friedel-Craft reaction (B) Birch reduction
(0) Gattermann Koch reaction (D) Fries migration

The hereditary shortage of ceruloplasmin resulting in the accumulation of copper in liver,
kidneys and brain is:

(A) Scurvy (8) Pernicious anaemia
(C) Wilson's disease ൩) Beriberi
Which among the following is not a Haem metalloprotein?
(A) Haemerythrin (B) Cytochromes
(C) Myoglobin (D) Haemoglobin

020/2016 10 ` A