1.

Phenolphthalein is obtained by heating phthalic anhydride with conc. \[{{H}_{2}}S{{O}_{4}}\] and             [BHU 1996]

A.                 Benzyl alcohol  
B.                 Benzene
C.                 Phenol 
D.                 Benzoic acid
Answer» D.                 Benzoic acid


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