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Objective Questions
GS
GS Set-1
Chemistry
Organic Chemistry
50

Organic Chemistry MCQ with Answers

50) Phenol is more reactive than benzene towards electrophilic substitution due to:

Strong mesomeric effect

Hyperconjugative effect

Inductive effect only

Hydrogen bonding

Answer is:

Strong mesomeric effect

Organic Chemistry MCQ with Answers

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Related Organic Chemistry MCQ with Answers

51) Which one of the following is least acidic?

Phenol

o−fluorophenol

m−fluorophenol

p−fluorophenol

Answer is:

Phenol

52) 2−methyl but−2−ene is less reactive than but−2−ene due to:

Resonance

Hyperconjugation

Electromeric effect

Inductive effect

Answer is:

Hyperconjugation

53) Which of the following statements is not correct?

Cyclopentadiene has an acidic hydrogen

Squaric acid is highly acidic

Aniline is more basic than ammonia

Aniline is less basic than ammonia

Answer is:

Aniline is more basic than ammonia

54) During dehydration of alcohols to alkenes by heating with conc. H₂SO₄, the initiation step is:

Protonation of alcohol molecule

Formation of carbocation

Elimination of water

Formation of an ester

Answer is:

Protonation of alcohol molecule

Organic Chemistry MCQ with Answers

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