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12 grade chemistry others

Phenoxide ion has _________ number of resonating structures than benzoate ion and benzoic acid is a __________ acid than phenol.A. More, strongerB. More, weakerC. Less, strongerD. Less, weaker

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1 Year agoGrade
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1 Answer

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1 Year ago

The phenoxide ion has more resonating structures than the benzoate ion. Phenoxide ion has resonance structures that involve delocalization of electrons, making it more stable than benzoate ion, which has fewer resonance structures.

Benzoic acid is a weaker acid compared to phenol. In benzoic acid, the acidic proton is attached to an electronegative oxygen of the carbonyl group, making it less acidic compared to phenol, where the acidic proton is attached to a directly bonded carbon. Phenol is more acidic due to the stability of the phenoxide ion formed after deprotonation.

So, the correct answer is:

B. More, weaker