A) nitroaniline
B) phenol
C) chloroaniline
D) diazonium chloride
Correct Answer: B
Solution :
At room temperature, initially formed diazonium chloride decomposes to give phenol. \[{{C}_{6}}{{H}_{5}}N{{H}_{2}}\xrightarrow[room\text{ }temp.]{NaN{{O}_{2}}/HCl}\underset{benzene\text{ }diazonium\text{ }chloride}{\mathop{[{{C}_{6}}{{H}_{5}}-{{N}^{+}}\equiv NC{{l}^{-}}]}}\,\] \[\xrightarrow[-HCl,-{{N}_{2}}]{{{H}_{2}}O}\underset{phenol}{\mathop{{{C}_{6}}{{H}_{5}}OH}}\,\]
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