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When benzene sulphonic acid and p-nitrophenol are treated with NaHCO3 the gases released, respectively, are:

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By Expert Faculty of Sri Chaitanya
a
N2,CO2
b
CO2,SO2
c
N2,SO2
d
CO2,CO2

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detailed solution

Correct option is D

PhSO3HI+NaHCO3→PhSO3Na+H2O+CO2p−NO2II−C6H4−OH+NaHCO3→p−NO2−C6H4ONa+H2O+CO2HCO3−+H+→H2O+CO2↑Since both (I) and (II) are stronger acids than H2CO3, they are capable of evolving CO2 with NaHCO3.


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