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(a) Given chemical tests to distinguis...

(a) Given chemical tests to distinguish between the following :
(i) Benzoic acid and ethyl benzoate.
(ii) Benzaldehyde and acetophenone.
(b) Complete each synthesis by giving missing regents or products in following.
(i)
(ii) `C_(6)H_(3)CHO overset(H_(2)NCONHNH_(2)) to `
(iii)

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