A) \[NaOH\]
B) \[NaHC{{O}_{3}}\]
C) \[N{{a}_{2}}C{{O}_{3}}\]
D) \[{{H}_{2}}S{{O}_{4}}\]
Correct Answer: B
Solution :
Phenol and benzoic acid can be distinguished by \[NaHC{{O}_{3}}\] because only stronger acid reacts with sodium bi carbonate.
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