+91-8076753736 [email protected]

-->

Hydrocarbons

Question

Wired Faculty App

Propanal and pentan-3-one are the ozonolysis products of an alkene? What is the structural formula of the alkene?

Solution

(i) Write the structures of propenal and pentan-3-one side by side with their oxygen atom facing towards each other.

(ii) Remove the oxygen atoms and join the two ends by a double bond. Thus the structure of the alkene is

Some More Questions From Hydrocarbons Chapter

Out of n-pentane, isopentane and neopentane which has lower boiling point?

During the pyrolysis of alkanes C-C bonds break in preference to C-H bond. Why?

Define cracking.

What is the function of iodic acid in the iodination of alkanes? Can we use any other substance in its place?

What is alternation effect?

Arrange the following compounds in order of their increasing boiling points:
n-Pentane, n-Hexane, Ethane, 2-2-Dimethylpentane, 2-Methylpentane.

Why is light or heat necessary to initiate chlorination reaction of alkanes?

What are conformation or rotational isomers?

Mock Test Series

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation