NCERT Class XII Chemistry
Chapter - Aldehydes, Ketones and Carboxylic Acids
Questions with Solutions
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Question : 4
Total: 28
Write the IUPAC names of the following ketones and aldehydes. Wherever possible, give also common names.
(i)C H 3 C O ( C H 2 ) 4 C H 3
(ii)C H 3 C H 2 C H B r C H 2 C H ( C H 3 ) C H O
(iii)C H 3 ( C H 2 ) 5 C H O
(iv)P h – C H = C H – C H O
(v)P h C O P h
(i)
(ii)
(iii)
(iv)
(v)
(vi)
Solution:
| IUPAC name | Common name |
|---|---|
| (i) Heptan-2-one | Methyl-n-pentyl ketone |
| (ii) 4-Bromo-2-methyl hexanal | γ-Bromo-α-methyl caproaldehyde |
| (iii) Heptanal | - |
| (iv) 3-Phenylprop-2-enal | β-Phenylacrolein |
| (v) Cyclopentane carbaldehyde | - |
| (vi) Diphenylmethanone | Benzophenone |
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