(A) Pentan-2-one can be distinguished from pentan-3-one by iodoform test.
(R) Former is a methyl ketone whereas the latter is not a methyl ketone.

Pentan -2- one differs from pentane-3 one in that :

Assertion : Pentan-2-one and pentan-3-one can be distinguished with the help of iodoform test. Reason : Pentan-2-one is a methyl ketones but pentan-3-one is not.

Pentan -3-one is not obtained from

Assertion : Pentan-2-one and pentan-3-one can be distinguished by iodoform test. Reason : Only methylketines take part in iodoform reaction.

Write the structure of 2 - Methyl pentane

Mention two tests to distinguish aldehydes from ketones.

Write structure of 2-methyl pentane.

Draw the structure of 3-methyl-pentanal.