No. of questions - 20
Time - 10 min
1.
Zinc-copper couple that can be used as a reducing agent is obtained by:
2.
In the series, ethane, ethene and ethyne, the CH bond energy is
3.
A mixture of nitrogen and acetylene, on passing electric spark through it gives:
4.
Alkynes occur in nature in the:
5.
The substance used as an anti-knock compound is:
6.
The neutral wax called Ozokerite found near petroleum well is a mixture of:
7.
Cyclohexane a hydrocarbon, floats on water because:
8.
Presence of a nitro group in a benzene ring
10.
Petroleum refining is:
11.
Which among the following are used as catalyst in cracking?
12.
Which of the following are produced from coaltar?
13.
Which of the following will have least hindered rotation about carbon-carbon bond?
14.
Polyethylene is a resin obtained by polymerization of:
16.
The presence of unsaturation (olefinic or acetylinic bond) in an organic compound can be tested with:
17.
Wurtz reaction converts alkyl halide into alkane when it is made to react with
18.
The shape of 2-butene is:
