Question

Idenyify the alkene that gives only methanal on ozonolysis??identify the alkene that gives only methanal on ozonolysis?

Answer 1

Ketones, and aldehydes, depending on workup......

Explanation:

R

1

R

2

C

=

C

R

3

R

4

O

3

−−→

R

1

R

2

C

=

O

+

O

=

C

R

3

R

4

.

While aldehydes are unstable with respect to oxidation, you should be able to chop up an olefin to give a series of aldehydes and ketones. If you can individually identify each oxo-compound, you could evidence the structure of the original olefin by wet chemical methods.