A shows positive Lassaigne's test for N and its molar mass is $121$
B gives effervescence with aqueous $\text{NaHCO}_3$
C gives fruity smell.
Identify A, B, and C from the following.

Question

A shows positive Lassaigne's test for N and its molar mass is $$121$$

B gives effervescence with aqueous $$	ext{NaHCO}_3$$

C gives fruity smell.

Identify A, B, and C from the following.

Accepted Answer

A. A = benzamide $$\mathrm{C_6H_5CONH_2}$$, B = benzoic acid $$\mathrm{C_6H_5CO_2H}$$, C = ethyl benzoate $$\mathrm{C_6H_5CO_2Et}$$

Answer

B. A = benzylhydrazine $$\mathrm{C_6H_5CH_2NHNH_2}$$, B = benzoic acid $$\mathrm{C_6H_5CO_2H}$$, C = ethyl benzoate $$\mathrm{C_6H_5CO_2Et}$$

Answer

C. A = 4-aminobenzaldehyde, B = the benzoin $$\mathrm{(4	ext{-}H_2N	ext{-}C_6H_4)CH(OH)CO(C_6H_4	ext{-}4	ext{-}NH_2)}$$, C = its ethyl hemiketal $$\mathrm{(4	ext{-}H_2N	ext{-}C_6H_4)CH(OH)C(OH)(OEt)(C_6H_4	ext{-}4	ext{-}NH_2)}$$

Answer

D. A = 2-aminobenzaldehyde, B = 2-aminobenzoic acid $$\mathrm{(2	ext{-}H_2N	ext{-}C_6H_4CO_2H)}$$, C = ethyl 2-(ethylamino)benzoate $$\mathrm{(2	ext{-}EtHN	ext{-}C_6H_4CO_2Et)}$$

Answer & step-by-step solution

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