Question

arrange the following in increasing order of acidic strength benzoic acid , P nitrobenzoic acid , P methyl benzoic acid , give reason​

Answer 1

Hello dear your answer is given below...

acidic strength....

p-nitro benzoic acid > benzoic acid > p-methyl benzoic acid

• Explanation :

=> nitro group (-NO2) is electron withdrawing group which decreas electron density on -COOH group thus, acidic strength increase...

=> methyl group (-CH3) is electron donating group which increase electron density on -COOH group thus acidic strength decrease....

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Answer 2

The trend is para methyl benzoic acid < benzoic acid < para nitrobenzoic acid.

Explanation:

• The acidity of an acid depends on the stability of the corresponding base.

• The benzoate ion has a resonance stability which is increased with the addition of electron withdrawing groups to benzene.

• The nitro group is an electron withdrawing group whereas the methyl is electron donating group.

• So the acidity trend is para methyl benzoic acid < benzoic acid < para nitrobenzoic acid.

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Acidity of benzoic acid, 4-nitrobezoic acid, 3,4-dintro - Brainly.in