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Question

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

A
SO2,NO2
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B
SO2,NO
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C
SO2,CO2
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D
CO2,CO2
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Solution

The correct option is D CO2,CO2
When benzene sulphuric acid and p-nitrophenol are treated with NaHCO3, the gases released, respectively are CO2,CO2.
The balanced chemical equation for the reaction of benzene sulphonic acid with sodium bicarbonate is as shown below.
PhSO3H+NaHCO3PhSO3Na+CO2+H2O
The balanced chemical equation for the reaction of p-nitro phenol with sodium bicarbonate is as shown below.
pO2NC6H4OH+NaHCO3pNO2C6H4ONa+CO2+H2O

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