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Acid strength is measured by the positio...

Acid strength is measured by the position of equilibrium of ionization in water. In other words acid strength is the function of the stability of conjugate base of the acid. More is the stability of conjugate base of the acid, more is the acidity of acid.
Which one of the following is strongest acid?

A

`CI-CH_(2) - CH_(2) - COOH`

B

`CI-CH_(2)-COOH`

C

`CI-CH_(2) - CH_(2) - CH_(2) - COOH`

D

`CH_(3) -COOH`

Text Solution

Verified by Experts

The correct Answer is:
B
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Knowledge Check

  • Acid strength is measured by the position of equilibrium of ionization in water. In other words acid strength is the function of the stability of conjugate base of the acid. More is the stability of conjugate base of the acid, more is the acidity of acid. Which of the following is weakest acid?

    A
    B
    C
    D

  • Acidic and basic nature of organic compound depends upon-Inductive effect. Acidic strength of organic acid increase with increase in electron withdrawing group or - group and decrease withincrease in electron releasing group or + group. Basic strength of organic compound having just opposite relationship with inductive effect, i.e. basic strength prop+1 effecte position of equilibrium of ionization in water. In other words acid strength is the function of the stability of conjugate base of the acid. More is the stability of conjugate base of the acid, more is the acidity of acid. Which one of the following is most acidic in character?

    A
    B
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  • Acid strength is measured by the position of equilibrium of ionization in water. In other words acid strength is the function of the stability of conjugate base of the acid. More is the stability of conjugate base of the acid, more is the acidity of acid. Arrange the given phenols in their decreasing order of acidity:

    A
    `II gt III gt IVgtI`
    B
    ` II gt III gt I gt IV`
    C
    `IV gt III gt | gt I`
    D
    `Igt II gt I gt IV `