90854 Excess of isobutane on reaction with $\mathrm{Br}_{2}$ in presence of light at $125^{\circ} \mathrm{C}$ gives which one of the following, as the major product?

1

2

3

4

90855 Reaction of Grignard reagent, $\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{MgBr}$ with $\mathrm{C}_{8} \mathrm{H}_{8} \mathrm{O}$ followed by hydrolysis gives compound ' $A$ ', which reacts instantly with Lucas reagent to give compound $\mathrm{B}, \mathrm{C}_{10} \mathrm{H}_{13} \mathrm{Cl}$.
The compound $B$ is:

1

2

3

4

90860 When $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{Br}$ reacts with sodium acetylide, the main product is

90861 The boiling point of alkyl halide are higher than those of corresponding alkanes because of

90945 Among the choices of alkyl bromide, the least reactive bromide in a $S_{N} 2$ reaction is

90854 Excess of isobutane on reaction with $\mathrm{Br}_{2}$ in presence of light at $125^{\circ} \mathrm{C}$ gives which one of the following, as the major product?

1

2

3

4

90855 Reaction of Grignard reagent, $\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{MgBr}$ with $\mathrm{C}_{8} \mathrm{H}_{8} \mathrm{O}$ followed by hydrolysis gives compound ' $A$ ', which reacts instantly with Lucas reagent to give compound $\mathrm{B}, \mathrm{C}_{10} \mathrm{H}_{13} \mathrm{Cl}$.
The compound $B$ is:

1

2

3

4

90860 When $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{Br}$ reacts with sodium acetylide, the main product is

90861 The boiling point of alkyl halide are higher than those of corresponding alkanes because of

90945 Among the choices of alkyl bromide, the least reactive bromide in a $S_{N} 2$ reaction is

90854 Excess of isobutane on reaction with $\mathrm{Br}_{2}$ in presence of light at $125^{\circ} \mathrm{C}$ gives which one of the following, as the major product?

1

2

3

4

90855 Reaction of Grignard reagent, $\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{MgBr}$ with $\mathrm{C}_{8} \mathrm{H}_{8} \mathrm{O}$ followed by hydrolysis gives compound ' $A$ ', which reacts instantly with Lucas reagent to give compound $\mathrm{B}, \mathrm{C}_{10} \mathrm{H}_{13} \mathrm{Cl}$.
The compound $B$ is:

1

2

3

4

90860 When $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{Br}$ reacts with sodium acetylide, the main product is

90861 The boiling point of alkyl halide are higher than those of corresponding alkanes because of

90945 Among the choices of alkyl bromide, the least reactive bromide in a $S_{N} 2$ reaction is

90854 Excess of isobutane on reaction with $\mathrm{Br}_{2}$ in presence of light at $125^{\circ} \mathrm{C}$ gives which one of the following, as the major product?

1

2

3

4

90855 Reaction of Grignard reagent, $\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{MgBr}$ with $\mathrm{C}_{8} \mathrm{H}_{8} \mathrm{O}$ followed by hydrolysis gives compound ' $A$ ', which reacts instantly with Lucas reagent to give compound $\mathrm{B}, \mathrm{C}_{10} \mathrm{H}_{13} \mathrm{Cl}$.
The compound $B$ is:

1

2

3

4

90860 When $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{Br}$ reacts with sodium acetylide, the main product is

90861 The boiling point of alkyl halide are higher than those of corresponding alkanes because of

90945 Among the choices of alkyl bromide, the least reactive bromide in a $S_{N} 2$ reaction is

90854 Excess of isobutane on reaction with $\mathrm{Br}_{2}$ in presence of light at $125^{\circ} \mathrm{C}$ gives which one of the following, as the major product?

1

2

3

4

90855 Reaction of Grignard reagent, $\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{MgBr}$ with $\mathrm{C}_{8} \mathrm{H}_{8} \mathrm{O}$ followed by hydrolysis gives compound ' $A$ ', which reacts instantly with Lucas reagent to give compound $\mathrm{B}, \mathrm{C}_{10} \mathrm{H}_{13} \mathrm{Cl}$.
The compound $B$ is:

1

2

3

4

90860 When $\mathrm{CH}_{3} \mathrm{CH}_{2} \mathrm{Br}$ reacts with sodium acetylide, the main product is

90861 The boiling point of alkyl halide are higher than those of corresponding alkanes because of

90945 Among the choices of alkyl bromide, the least reactive bromide in a $S_{N} 2$ reaction is