Write the structure formulae and IUPAC names for all the isomeric aldehydes and ketones of molecular formula, `C_5H_(10)O`.

Explanation

With the formula `C_(5)H_(10)O`, four aldehydes and three ketones are possible.
Possible aldehydes are :
(i) `CH_(3)-CH_(2)-CH_(2)-CH_(2)-CHO` Pentanal
(ii) `CH_(3)-CH_(2)-CH(CH_(3))CHO` 2-Methylbutanal
(iii) `(CH_(3))_(2)CHCH_(2)CHO` 3-Methylbutanal
(iv) `(CH_(3))_(3)C CHO` 2,2-Dimethylpropanal
Possible ketones are :
(i) `CH_(3)-CH_(2)-CH_(2)-CO-CH_(3)` Pentanone -2
(ii) `CH_(3)-CH_(2)-CO-CH_(2)-CH_(3)` Pentanone-3
(iii) `(CH_(3))_(3)CHCOCH_(3)` 3-Methylbutanone