‘x’ is the product which is obtained from propanenitrile and stannous chloride in the presence of hydrochloric acid followed by hydrolysis. ‘y’ is the product which is obtained from the but-2-ene by t

Question

‘x’ is the product which is obtained from propanenitrile and stannous chloride in the presence of hydrochloric acid followed by hydrolysis. ‘y’ is the product which is obtained from the but-2-ene by the ozonolysis followed by hydrolysis. From the following, which product is not obtained when one mole of ‘x’ and one mole of ‘y’ react with each other in the presence of alkali followed by heating ?

(A) 2-Methylbut-2-enal
(B) Pent-2-enal
(C) 2-Methylpent-2-enal
(D) 3-Methylbut-2-enal

Prashant Kotian · Accepted Answer

Correct answer: D. SnCl /HCl H O 3 3 Propaneitrile Propanal (X) CH CH C N CH CH CHO       ⊕ Ozonolysis 3 But 2 ene Ethanal (Y) CH CH CH CH CH CHO       NaoH (Notformed) (X) (Y) 3-Methylbut-2-enal    CH3–CH2–CHO + CH3–CHO NaOH   CH3–CH2–CH=C–CHO CH3 2-Methylpent-2-enal + But 2 enal CH CH CH CHO     + CH3–CH=C–CHO CH3 2-Methylbut-2-enal 2 Pent 2 enal CH CH CH CH CHO     

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