When o-phenolsulphonic acid is heated to 373 K, it gives

1.	When o-phenolsulphonic acid is heated to 373 K, it gives
Answer» Phenol p-Phenolsulphonic acid BENZENE sulphonic acid Benzene Solution :o-phenol sulphonic is unstable at higher temperature (373 K) due to STERIC FACTOR and REARRANGES to more stable p-isomer.

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