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The correct order of strengths of the ca...

The correct order of strengths of the carboxylic acids

A

`I gt II gt III`

B

`II gt III gt I`

C

`III gt II gt I`

D

`II gt I gt III`

Text Solution

Verified by Experts

The correct Answer is:
B
Key idea Order of strengths of the given carboxylic acids can be determined by the concept of I-effect.
The oxygen atom present in the ring shows I-effect. As the distance between oxygen and -COOH group increases, -I effect of oxygen decreases.
Thus, corresponding carboxylic acid will show less acidic nature.
The correct order of strengths of the carboxylic acids is
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Knowledge Check

  • The correct order of acidic strength of the carboxylic acid is

    A
    Formic acid `lt` Benzoic acid `lt` Acetic acid
    B
    Formic acid `lt` Acetic acid `lt` Benzoic acid
    C
    Acetic acid `lt` Formic acid `lt` Benzoic acid
    D
    Benzoic acid `lt` Acetic acid `lt` Formic acid

  • The correct order of acidic strength of carboxylic acids is

    A
    formic acidltbenzoic acidltacetic acid
    B
    formic acidltacetic acidltbenzoic acid
    C
    acetic acidltformic acidltbenzoic acid
    D
    acetic acidltbenzoic acidltformic acid

  • The correct order of acidic strength of carboxylic acid is

    A
    acetic acid lt benzoic acid lt formic acid
    B
    formic acid lt benzoic acid lt acetic acid
    C
    formic acid lt acetic acid lt benzoic acid
    D
    acetic acid lt formic acid lt benzoic acid

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    The correct order of acid strength is

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