No. of questions - 20
Time - 10 min
1.
A mixture of acetone and methanol can be separated by
2.
The reason for the loss of optical activity of lactic acid when – OH group is changed by H is that
3.
Identify the compound that exhibits tautomerism
5.
Which of the following statements is not characteristic of free radical chain reaction?
6.
Maleic and fumaric acids are :
8.
Which of the following acids shows stereoisomerism?
9.
The Beilstein test for organic compound is used to detect
10.
The oxygen atom in phenol
11.
Lactic acid in which a methyl group, a hydroxyl group, a carboxylic acid group and a hydrogen atom are attached to a central carbon atom shows optical isomerism due to the molecular geometry at the :
12.
Which of the following compounds exhibits rotamers?
13.
Which of the following process is suitable for the purification of aniline?
14.
2-methylpent-3-enoic acid shows :
15.
The racemisation of optically active compounds is driven by :
16.
Number of tertiary carbon atoms in tertiary butyl alcohol is :
17.
0.5 g of hydrocarbon gave 0.9 g water on combustion. The percentage of carbon hydrocarbon is