No. of questions - 20
Time - 10 min
1.
0.5 g of hydrocarbon gave 0.9 g water on combustion. The percentage of carbon hydrocarbon is
2.
The oxygen atom in phenol
3.
Identify the compound that exhibits tautomerism
4.
The reason for the loss of optical activity of lactic acid when – OH group is changed by H is that
5.
Which of the following process is suitable for the purification of aniline?
6.
2-methylpent-3-enoic acid shows :
8.
The racemisation of optically active compounds is driven by :
9.
The Beilstein test for organic compound is used to detect
10.
Which of the following statements is not characteristic of free radical chain reaction?
11.
Which of the following compounds exhibits rotamers?
12.
Which of the following acids shows stereoisomerism?
13.
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 :
14.
Maleic and fumaric acids are :
16.
Number of tertiary carbon atoms in tertiary butyl alcohol is :
17.
A mixture of acetone and methanol can be separated by
