What is the correct order of stability for the following carbanions?
1.  2. 
3.  4. 
      

1.  (1) > (2) > (3) > (4)

2.  (2) > (3) > (4) > (1)

3.  (4) > (2) > (3) > (1)

4.  (1) > (3) > (2) > (4)

Subtopic:  Reaction Intermediates ; Preparation & Properties |
Level 3: 35%-60%
AIPMT - 2008
Hints

The most stable carbanion, amongst the following is:
1. 2.
3. 4.
Subtopic:  Electron Displacement Effects | Reaction Intermediates ; Preparation & Properties |
 55%
Level 3: 35%-60%
Please attempt this question first.
Hints

Arrange the C–H bonds marked as x, y, and z in the given compound in decreasing order of their bond dissociation energy (BDE) for homolytic cleavage:

1. y > x > z 2. z > x > y
3. z > y > z 4. y > z > x
Subtopic:  Reaction Intermediates ; Preparation & Properties |
 51%
Level 3: 35%-60%
Please attempt this question first.
Hints
Please attempt this question first.

advertisementadvertisement