Write the products formed when $C H_{3} C H O$ reacts with the following reagents:
(i) $H C N$
(ii) $H_{2} N - O H$
(iii) $C H_{3} C H O$ in the presence of dilute $N a O H$
(b) Give simple chemical tests to distinguish between the following pairs of compounds:
(i) Benzoic acid and Phenol
(ii) Propanal and Propanone

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Solution

(b)
(i) Benzoic acid and phenol can be distinguish by Cerric Ammonium Nitrate (CAN) test. Phenol give +ve CAN test.
(ii) Propanal and propanone can be distinguished by tollen's reagent. Propanal gives +ve tollen's test.

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C H_{3} C H O

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C H_{3} C O O H {C l}_{2} / P - ------ \to

Give simple chemical tests to distinguish between the following pairs of compounds.

(i) Propanal and Propanone

(ii) Acetophenone and Benzophenone

(iii) Phenol and Benzoic acid

(iv) Benzoic acid and Ethyl benzoate

(v) Pentan-2-one and Pentan-3-one

(vi) Benzaldehyde and Acetophenone

(vii) Ethanal and Propanal

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