A) \[NaOH\]
B) \[NaHC{{O}_{3}}\]
C) \[Na\]
D) \[{{H}_{2}}S{{O}_{4}}\]
Correct Answer: B
Solution :
Phenol and benzoic acid are distinguished by reaction with\[Na\text{ }HC{{O}_{3}}\]
Effervescences of\[C{{O}_{2}}\]distinguish between phenol and benzoic acid. With rest of the reagent they give the same product.
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