Which among the following is the correct stru | vedclass

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Question

(C) When ethanal $(CH_3CHO)$ reacts with semicarbazide $(NH_2NHCONH_2)$,a condensation reaction occurs where a molecule of water is eliminated to form

Vedclass · Accepted Answer

$H_3C-CH=N-NH-C(=O)-NH_2$

Vedclass · Answer

(C) When ethanal $(CH_3CHO)$ reacts with semicarbazide $(NH_2NHCONH_2)$,a condensation reaction occurs where a molecule of water is eliminated to form a semicarbazone. The terminal $-NH_2$ group of semicarbazide is involved in the reaction with the carbonyl group of the aldehyde.The reaction is as follows:$CH_3CHO + NH_2NHCONH_2 \rightarrow CH_3CH=NNHCONH_2 + H_2O$The correct structure of the product,acetaldehyde semicarbazone,is $H_3C-CH=N-NH-C(=O)-NH_2$.

Which among the following is the correct structure of the semicarbazone formed when ethanal reacts with semicarbazide?

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