Which of the following statements are correct?
(i) Delocalization of \(\sigma\)-electrons is called hyperconjugation.
(ii) Delocalization of \(\pi\)-electrons is known as resonance.
(iii) Permanent partial displacement of \(\sigma\)-electrons is referred to as inductive effect.

1. (i) & (iii) 2. (ii) & (iii)
3. (i) & (ii) 4. (i), (ii) and (iii)
Subtopic:  Electron Displacement Effects |
 65%
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Match the ions given in Column I with their nature given in Column II.

Column I
(Ions)

 
Column II
(Corresponding nature)

 
A. I. Stable due to resonance
B. II. Destabilised due to inductive effect
C. III. Stabilised by hyperconjugation
D. IV. A secondary carbocation

Codes:

Options:  A   B   C   D 
1. I,II  II II III,IV
2. I II,IV  III  IV
3. I  IV III  II
4. IV I III II

Subtopic:  Electron Displacement Effects | Reaction Intermediates ; Preparation & Properties |
 77%
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