When benzene sulphonic acid and $p - $nitrophenol are treated with ${\rm{NaHC}}{{\rm{O}}_3}$, the gases released respectively are:

${\rm{N}}{{\rm{O}}_2},{\rm{\;C}}{{\rm{O}}_2}$

${\rm{S}}{{\rm{O}}_2},{\rm{\;N}}{{\rm{O}}_2}$

${\rm{S}}{{\rm{O}}_2},{\rm{\;NO}}$

${\rm{S}}{{\rm{O}}_2},{\rm{\;C}}{{\rm{O}}_2}$

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NEET UG CHEMISTRY MCQ: ALCOHOLS & PHENOLS & ETHERS

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When benzene sulphonic acid and

p -

nitrophenol are treated with

\mathrm{NaHC}{\mathrm{O}_3}

, the gases released respectively are:

View answer and explanation

Correct option: D

\mathrm{N}{\mathrm{O}_2},\mathrm{\;C}{\mathrm{O}_2}

The correct answer is D (

\mathrm{N}{\mathrm{O}_2},\mathrm{\;C}{\mathrm{O}_2}

) because benzene sulfonic acid is a strong acid that doesn't react with NaHCO3 to release CO2, while p-nitrophenol is acidic enough to react with NaHCO3 to release CO2.

NEET UG CHEMISTRY MCQ: ALCOHOLS & PHENOLS & ETHERS

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