| I.\[{{H}_{2}}N\cdot \underset{\begin{smallmatrix} | \\ C{{H}_{2}} \end{smallmatrix}}{\mathop{C}}\,H\cdot COOH\] |
| II. \[{{H}_{2}}N\cdot \overset{\begin{smallmatrix} C{{H}_{2}}{{C}_{6}}{{H}_{5}} \\ | \end{smallmatrix}}{\mathop{C}}\,H\cdot COOH\] |
| III. \[{{H}_{2}}N\cdot \underset{\begin{smallmatrix} | \\ C{{H}_{2}}COOH \end{smallmatrix}}{\mathop{C}}\,H\cdot CON{{H}_{2}}\] |
| IV.\[{{H}_{2}}N\cdot CHCOHN\cdot \overset{\begin{smallmatrix} C{{H}_{2}}{{C}_{6}}{{H}_{5}} \\ | \end{smallmatrix}}{\mathop{C}}\,H\cdot COOH\] |
A) I, II
B) III, IV
C) I, III
D) II, IV
Correct Answer: A
Solution :
\[{{H}_{2}}N\underset{\begin{smallmatrix} | \\ C{{H}_{2}}COOH \end{smallmatrix}}{\mathop{C}}\,HCONH\cdot \overset{\begin{smallmatrix} C{{H}_{2}}{{C}_{6}}{{H}_{5}} \\ | \end{smallmatrix}}{\mathop{C}}\,H\cdot COOC{{H}_{3}}\,\xrightarrow{HOH}\]\[{{H}_{2}}N\cdot \underset{\begin{smallmatrix} | \\ C{{H}_{2}}COOH \end{smallmatrix}}{\mathop{C}}\,H\cdot COOH+N{{H}_{2}}\cdot \overset{\begin{smallmatrix} C{{H}_{2}}{{C}_{6}}{{H}_{5}} \\ | \end{smallmatrix}}{\mathop{C}}\,H\cdot COOH\]
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