Chemistry - GOC Question with Solution | TestHub

ChemistryGOCAcid BaseMedium2 minQB
ChemistryMediumsingle choice

Arrange the following in decreasing order of acidic strength.

(I) structure (II) structure

(III) structure (IV) structure

Options:

Answer:
A
Solution:

Conjugate bases : the benzenesulfonate delocalises the charge over three oxygens (most stable); the benzoate delocalises over two oxygens; the p-nitrophenoxide is a phenoxide further stabilised by the para nitro group through resonance; the phenoxide is the least stabilised. So IV I II III.

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

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