Alkyl and Alkenyl Radical

Q.

Match the following alkyl radicals with their correct chemical formula:

$\begin{array}{cc}\text{Radical Formula}& \text{Radical Name}\\ \text{(i)}{\text{CH}}_3& \text{(a)}\text{Methyl Radical}\\ \text{(ii)}{\text{CH}}_3{\text{CH}}_2{\text{CH}}_2{\text{CH}}_2& \text{(b)}\text{Ethyl Radical}\\ \text{(iii)}{\text{CH}}_3{\text{CH}}_2& \text{(c)}\text{Propyl Radical}\\ \text{(iv)}{\text{CH}}_3{\text{CH}}_2{\text{CH}}_2& \text{(d)}\text{Butyl Radical}\end{array}$

1. (a)- (ii), (b)- (i), (c)- (iv), (d)- (iii)

2. (a)- (i), (b)- (iii), (c)- (iv), (d)- (ii)

3. (a)- (ii), (b)- (iii), (c)- (i), (d)- (iv)

4. (a)- (iv), (b)- (iii), (c)- (ii), (d)- (i)

Q.

What is the decreasing order of the stabilities of the following free radicals?

1. ((i) > (ii) > (iii)

2. (ii) > (iii) > (i)

3. (iii) > (i) > (ii)

4. All thru are equally stable

Q.

The alkyl group(s) present in the given compound is/are

1. Methyl

2. Ethyl

3. Propyl

4. Butyl