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Statement-1: Phenol is more acidic than ...

Statement-1: Phenol is more acidic than benzoic acid
Statement-2: Fluorbenzene is les reactive than chlorobenzene towards electrophilic substitiution
Statement-3: Friedel Craft alkylation is not possible in tertiary butyl benzene

A

TFT

B

F F F

C

F T F

D

T T F

Text Solution

Verified by Experts

The correct Answer is:
B
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Statement-1 : B_(2)O_(3) is more acidic than BeO. Statement-2 : Ionisation energy of B is more than Be.

Statement-1 : Fluorine is more electronegative than chlorine. Statement-2 : Fluorine is smaller in size than chlorine.

Knowledge Check

  • Statement-1. Acetylene is more reactive than ethylene towards electrophilic addition reactions Statement-2. Acetylene contains two pi -bonds

    A
    Statement-1 is True, Statement-2 is True , Statement-2 is a correct explanation for Statement-1
    B
    Statement-1 is True, Statement-2 is True , Statement-2 is not a correct explanation for Statement-1
    C
    Statement- 1 is True, Statement-2 is False
    D
    Statement-1 is False, Statement -2 is True

  • Statement-1: Anisole undergoes electrophilic substitution at o- and p-positions. Statement-2: Anisole is less reactive than phenol towards electrophilic substitution reactions.

    A
    Statement-1 is true, statement-2 is true, statement-2 is a correct explanation for statement-1.
    B
    Statement-1 is true,s tatement-2 is true, statement-2 is not a correct explanation for statement-1.
    C
    Statement-1 is true, statement-2 is false.
    D
    Statement-1 is false, statement-2 is true.

  • Assertion : Chlorobenzene is more reactive than benzene towards the electrophilic substitution reaction. Reason : Resonance destabilizes the carbocation.

    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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    Explore conceptually related problems

    Statement 1: Phenol is more reactive than benzene towards electrophilic substitution reaction. Statement 2: In the case of phenol, the intermediate carbocation is more resonance stabilized.

    Statement 1: Anisole undergoes electrophilic substitution at o- and p- position Statement 2: Anisole is less reactive than phenol towards electrophilic substitution reactions.

    Statement-1: Ethyne is stronger acid than ethene. and Statement-2 Introduction of alkyl group activates benzene ring

    Statement -1: Acetophenone gives aldol condensation. Statement-2: Benzaldehyde is more reactive than acetaldehyde towards nucleophilic addition. Statement-3: Benzophenone has alpha -Hydrogens

    Statement 1: Acrylic acid is a weaker acid than benzoic acid. Statement 2: Ethylenic double bond is less electron donating than benzene ring.

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