p-Phenolsulphonic acid is obtained as the major product when phenol is

1.	p-Phenolsulphonic acid is obtained as the major product when phenol is treated with
Answer» Conc. `H_(2)SO_(4)` at 373 K Dil. `H_(2)SO_(4)` at 373 K Conc. `H_(2)SO_(4)` at 293 K Dil. `H_(2)SO_(4)` at 293 K Solution :p isomer is obtained by treating PHENOL with conc. `H_(2)SO_(4)` at 373 K.

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