Biomolecules Question 6

Question: $ H-C\equiv C-H\xrightarrow[H_2SO_4]{HgSO_4}(A) $ $ \xrightarrow[(2)H_3{O^{+}}]{(1)NH_3+HCN}(B); $ Product [B] of given reaction is:

Options:

A) Glycine

B) Alanine

C) valine

D) Leucine

Show Answer

Answer:

Correct Answer: B

Solution:

[b] $ HC\equiv CH\xrightarrow[H_2SO_4]{HgSO_4}CH_3-\overset{O}{\mathop{\overset{||}{\mathop{C}}}}H $

$ \xrightarrow[{H^{+}}]{NH_3+HCN}CH_3-\overset{NH_2}{\mathop{\overset{|}{\mathop{C}}}}H-COOH $