Chemistry - GOC Question with Solution | TestHub

ChemistryGOCAcid BaseEasy2 minQB
ChemistryEasysingle choice

Which gas is evolved in the following reaction?

2,4,6-trinitrophenol (picric acid) + NaHCO₃ sodium picrate + gas

structure

Options:

Answer:
D
Solution:

Three nitro groups stabilise the picrate anion so well that picric acid (pKa ≈ 0.3) is stronger than carbonic acid; bicarbonate is protonated and CO₂ gas is evolved.

Stream:JEESubject:ChemistryTopic:GOCSubtopic:Acid Base
⏱ 2mℹ️ Source: QB

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