Question

How will you bring about the following conversions in not more than two steps?

(i) Propanone to Propene

(ii) Benzoic acid to Benzaldehyde

(iii) Ethanol to 3-Hydroxybutanal

(iv) Benzene to m-Nitroacetophenone

(v) Benzaldehyde to Benzophenone

(vi) Bromobenzene to 1-Phenylethanol

(vii) Benzaldehyde to 3-Phenylpropan-1-ol

(viii) Benazaldehyde to α-Hydroxyphenylacetic acid

(ix) Benzoic acid to m- Nitrobenzyl alcohol

Answer 1

i) Propanone to propene  (ii) Benzoic acid to benzaldehyde     (iii) Ethanol to 3-hydroxybutanal      (iv) Benzene to m-nitroacetophenone                    (v) Benzaldehyde to benzophenone      (vi) Bromobenzene to 1-phenylethanol      (vii) Benzaldehyde to 3-phenyl propan-1-ol              (viii) Benzaldehyde to -hydroxy phenyl acetic acid      (ix) Benzoic acid to m-nitrobenzyl alcohol