EASY
Earn 100

Define permanent electronic effects.

Important Questions on Organic Chemistry: Some Basic Principles and Techniques

HARD

Increasing order of stability of the resonance structure is:

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MEDIUM
Which one among the following resonating structures is not correct?
MEDIUM
The hyperconjugative stabilities of tert-butyl cation and 2-butene, respectively, due to 
EASY
Which of the following is correct with respect to -I effect of the substituent? (R=alkyl group)
EASY

The most acidic proton and the strongest nucleophilic nitrogen in the following compound

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respectively, are

EASY

The chlorine atom of the following compound

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that reacts most readily with AgNO3 to give a precipitate is

EASY
A tertiary butyl carbocation is more stable than a secondary butyl carbocation because of which of the following?
MEDIUM
Which of the following molecules is least resonance stabilized?
MEDIUM
Which of the following represents the hyperconjugation effect?
EASY
Consider the following compounds

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Hyperconjugation occurs in:
MEDIUM
The higher stabilities of tert-butyl cation over isopropyl cation and trans-2- butene over propene, respectively, are due to orbital interactions involving
EASY
Identify the functional group that has electron donating inductive effect.
MEDIUM
Which of the following carbocations is expected to be the most stable?
MEDIUM

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Among the given species the Resonance stabilised carbocations are:

EASY
The correct order of stability for the following alkoxides is:

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MEDIUM
In which of the following molecules, all atoms are coplanar?