Hydrocarbons Te...

Direction (Q. Nos. 1 - 11) This section contains 11 multiple choice questions. Each question has four choices (a), (b), (c) and (d), out of which ONLY ONE option is correct.

Q. When light is shined on a mixture of chlorine and ethane, chloroethane is formed besides dichloroethane, trichloroethane and several other products. What reaction condition can optimise the yield of chloroethane?

Which of the following is not a possible termination step in the free radical chlorination of methane?

The major monobromination product which results when ethyl cyclohexane is subjected to free radical bromination, is

What is relative reactivity of secondary versus primary hydrogens in free radical bromination of n-butane if the ratio of 1-bromo to 2-bromobutane formed is 7 : 39?

What is the major monobromination product in the following reaction?

Which is the best description of Hammond postulate?

What is the major bromination product in the following reaction? 

During free radical bromination of isobutane, an alkene is produced as by product via disproportionation of the intermediate alkyl free radical. What is this alkene?

How many dichlorocyclohexane would be produced upon free radical chlorination of chlorocyclohexane?

Which of the following statem ents regarding free radical halogenation of alkane is not true?

Arrange the following in increasing order of boiling points.

I. 3 -methyl pentane
II. 3-chloropentane
III. 3-bromopentane
IV. 3,3-dichloropentane