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Consider the acidity of the following ca...

Consider the acidity of the following carboxylic acids

A

PhCOOH

B

`a-NO_(2)C_(6)H_(4)COOH`

C

`p-NO_(2)C_(6)H_(4)COOH`

D

`m-NO_(2)C_(6)H_(4)COOH`

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • The inceasing order of the acidity of the following carboxylic acids is :

    A
    `I lt III ltII lt IV`
    B
    `IV lt II lt III lt I`
    C
    `II lt IV lt III lt I`
    D
    `III lt II lt IV lt I`

  • The correct order for the acidic character of the following carboxylic acids is :

    A
    `IV gt I gt II gt III gt V`
    B
    `V gt II gt IV gt I gt III`
    C
    `V gt II gt III gt I gt IV`
    D
    None of these

  • Assertion : Direct attachment of groups such as phenyl or vinyl to the carboxylic acid, increases the acidity of the carboxylic acid. Reason : Resonance effect always increases the acidity of carboxylic acids.

    A
    If both assertion and reason are true and reason is the correct explanation of assertion.
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion.
    C
    If assertion is true but reason is false.
    D
    If both assertion and reason are false.

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    The acidic nature of the carboxylic acids is due to:

    Assertion: Electron withdrawing groups decrease the acidity of carboxylic acids. Reason: Substituents affect the stability of the conjugate base and acidity of carboxylic acids.

    Which of the following carboxylic acids is a tricarboxylic acid?

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