JEE Advanced2006ChemistryAlcohols Phenols and EthersActual

When benzene sulphonic acid and p -nitrophenol are treated with NaHCO ₃ , the gases released respectively are

Options

ASO ₂, NO ₂
BSO ₂, NO
CSO ₂, CO ₂
DCO ₂, CO ₂

Correct answer

D. CO ₂, CO ₂

Step-by-step solution

Benzene sulphonic acid and p-nitrophenol react with NaHCO ₃ and evolve CO ₂ gas. Because benezene sulphonic acid and p -nitro phenol are stronger acids with H ₂ CO ₃ (i.e., H ₂ O + CO ₂ ) so, they are capable to evolve CO ₂ with NaHCO ₃ . HCO ₃⁻+ Acid H ⁺ H ₂ O + CO ₂

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