Free Radical

Q. For the following bond cleavages, use curved-arrows to show the electron flow and classify each as homolysis or heterolysis. Identify reactive intermediate produced as free radical, carbocation and carbanion.

Q. 22 Why the carbon radical of benzyllic radical has no unpaired electrons?

Q. The homolytic breaking of the $C^a-C^b$ bond is easiest in:

1. 
2. 
3. 
4. 

Q.

Which of the following orders regarding relative stability of free radicals is correct?

1. 3° < 2° < 1°

2. 3° > 2° > 1°

3. 1° < 2° > 3°

4. 3° > 2° < 1°

Q. 33. Explain the structure of sp and sp2 hybridised carbene