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Assertion : p-chlorobenzoic acid is more...

Assertion : p-chlorobenzoic acid is more acidic than p-fluorobenzoic acid.
Reason : +R effect of fluorine is higher than that of chlorine due to the matching size of carbon and fluorine.

A

Both assertion and reason are true and reason is the correct explanation of assertion

B

Both assertion and reason are true and reason is not the correct explanation of assertion

C

Assertion is true and reason is false

D

Both assertion and reason are false

Text Solution

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Knowledge Check

  • p-Nitrobenzoic acid is a stronger acid than benzoic acid. This is due to

    A
    direct resonance interaction between`-NO_(2) and-COOH` groups.
    B
    `-NO_(2)` group generates a strong-electron withdrawing inductive effect due to positive charge on carbon bearing -COOH group.
    C
    `-NO_(2)` group generates a strong-electron withdrawing inductive effect due to positive charge on meta position to -COOH group.
    D
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  • p-chlorophenol is a stronger acid than phenol because

    A
    Cl is less electronegative than oxygen atom
    B
    of the -I effect of a halogen, which is greater than its +R effect
    C
    of +R effect of Cl, which is stronger than its -I effect
    D
    of +R effect of Cl.

  • p-chlorophenol is a stronger acid than phenol because

    A
    Cl is less electronegative than oxygen atom
    B
    of the `-I` effect of a halogen, which is greater than its `+R` effect
    C
    of `+R` effect of Cl, which is stronger than its `-I` effect
    D
    of `+R` effect of Cl