Directions : In the following question more than one of the answers given may be correct. Select the correct answer and mark it according to the code:
Hydroxylamine reacts with: (1)\[C{{H}_{3}}COCl\] (2)\[C{{H}_{3}}COC{{H}_{3}}\] (3) \[C{{H}_{3}}COO{{C}_{2}}{{H}_{5}}\] (4) \[C{{h}_{3}}CON{{H}_{2}}\]A) 1, 2 and 3 are correct
B) 1 and 2 are correct
C) 2 and 4 are correct
D) 1 and 3 are correct
Correct Answer: A
Solution :
\[C{{H}_{3}}-\overset{\begin{smallmatrix} O \\ || \end{smallmatrix}}{\mathop{C}}\,-Cl\xrightarrow[-HCl]{N{{H}_{2}}OH}\underset{hydroxamic\,acid}{\mathop{C{{H}_{3}}-\overset{\begin{smallmatrix} O \\ || \end{smallmatrix}}{\mathop{C}}\,-NHOH}}\,\] \[C{{H}_{3}}-\overset{\begin{smallmatrix} O \\ || \end{smallmatrix}}{\mathop{C}}\,-C{{H}_{3}}\xrightarrow[-{{H}_{2}}O]{N{{H}_{2}}OH}\underset{oxime}{\mathop{C{{H}_{3}}-\overset{\begin{smallmatrix} NOH \\ || \end{smallmatrix}}{\mathop{C}}\,-NHOH}}\,\] \[C{{H}_{3}}-\overset{\begin{smallmatrix} O \\ || \end{smallmatrix}}{\mathop{C}}\,-O{{C}_{2}}{{H}_{5}}\xrightarrow[-{{C}_{2}}{{H}_{5}}OH]{N{{H}_{2}}OH}\underset{hydroxamic\,acid}{\mathop{C{{H}_{3}}-\overset{\begin{smallmatrix} O \\ || \end{smallmatrix}}{\mathop{C}}\,-NHOH}}\,\]
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