MCQ
Benzophenone can be converted into benzene using
- ✓Fused alkali
- BAnhydrous $AlC{l_3}$
- CSodium amalgam in water
- DAcidified dichromate
✓
Answer
Correct option: A.
Fused alkali
a
(a) $\mathop {{C_6}{H_5}CO{C_6}{H_5}}\limits_{{\text{Benzophenone}}} + KOH\xrightarrow{{{\text{Fusion}}}}$$\mathop {{C_6}{H_6}}\limits_{{\text{Benzene}}} + \mathop {{C_6}{H_5}COOK}\limits_{{\text{Pot}}{\text{.}}\,{\text{benzoate}}} $
${C_6}{H_5}\,COOK + KO\,H\xrightarrow{\Delta }{K_2}C{O_3} + \mathop {{C_6}{H_6}}\limits_{{\text{Benzene}}} $
(a) $\mathop {{C_6}{H_5}CO{C_6}{H_5}}\limits_{{\text{Benzophenone}}} + KOH\xrightarrow{{{\text{Fusion}}}}$$\mathop {{C_6}{H_6}}\limits_{{\text{Benzene}}} + \mathop {{C_6}{H_5}COOK}\limits_{{\text{Pot}}{\text{.}}\,{\text{benzoate}}} $
${C_6}{H_5}\,COOK + KO\,H\xrightarrow{\Delta }{K_2}C{O_3} + \mathop {{C_6}{H_6}}\limits_{{\text{Benzene}}} $
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