Phenol on treating with concentrated H2SO4 at 15–20ºC mainly produces
(1) Phenol -2 – sulphonic acid
(2) Phenol -4 – sulphonic acid
(3) A 50% mixture of ortho and para phenol sulphonic acid
(4) Phenol – 2, 46 – trisulphonic acid
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Phenol on treating with concentrated H2SO4 at 15–20ºC mainly produces
(1) Phenol -2 – sulphonic acid
(2) Phenol -4 – sulphonic acid
(3) A 50% mixture of ortho and para phenol sulphonic acid
(4) Phenol – 2, 46 – trisulphonic acid
Phenol on treating with concentrated H2SO4 at 15–20ºC mainly produces
(1) Phenol -2 – sulphonic acid
(2) Phenol -4 – sulphonic acid
(3) A 50% mixture of ortho and para phenol sulphonic acid
(4) Phenol – 2, 46 – trisulphonic acid
Phenol on treating with concentrated H2SO4 at 15–20ºC mainly produces Phenol -4 – sulphonic acid