A) It is soluble in aq. NaOH and evolves \[C{{O}_{2}}\] with aq. \[NaHC{{O}_{3}}\]
B) It is soluble in aq. NaOH and does not evolve \[C{{O}_{2}}\]withe aq. \[NaHC{{O}_{3}}\]
C) It is not soluble in aq. NaOH but evolves \[C{{O}_{2}}\] with aq. \[NaHC{{O}_{3}}\]
D) It is insoluble in aq. NaOH and does not evolve \[C{{O}_{2}}\]with aq. \[NaHC{{O}_{3}}\]
Correct Answer: B
Solution :
Phenol is a weak acid. It reacts with NaOH to produce salt. \[{{C}_{6}}{{H}_{5}}OH+NaOH\,\xrightarrow{{}}\]\[{{C}_{6}}{{H}_{5}}ONa+{{H}_{2}}O\] But it is not sufficiently acidic to evolve \[C{{O}_{2}}\] from \[NaHC{{O}_{3}}\]solution.
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