Embibe Experts Solutions for Chapter: Hydrocarbons, Exercise 3: EXERCISE-3

How many $1,2$-shifts of carbocation intermediate are involved during the course of following reaction:

The number of possible di-Bromo products formed when the major product $\mathrm{A}$ treated with ${\mathrm{Br}}_2/{\mathrm{CCl}}_4$ :

The number of reagents is used for given conversion.

(1) $\mathrm{Zn}-\mathrm{Hg}/\mathrm{HCl}$

(2) ${\mathrm{N}}_2{\mathrm{H}}_4/{\mathrm{OH}}^{-}$

(3) ${\mathrm{N}}_2{\mathrm{H}}_4/{\mathrm{H}}_2{\mathrm{O}}_2$

(4) 

(5) ${\mathrm{LiAlH}}_4$

(6) ${\mathrm{NaBH}}_4$

(7) ${\mathrm{BH}}_3/\mathrm{THF}$

Select the number of alkene which on reduction ozonolysis gives ketone as one of product.

(1)

(2) ${\mathrm{CH}}_3-\mathrm{CH}={\mathrm{CH}}_2$

(3) ${\mathrm{CH}}_3-\mathrm{CH}=\mathrm{CH}-{\mathrm{CH}}_3$

(4) 

(5) ${\mathrm{CH}}_2={\mathrm{CH}}_2$

(6)

(7) 

Number of dibromo products formed in above reaction.

Number of possible mono chloro derivative products of $2$-methyl butane is?

Among the following, the number of moderately activating groups are

(1) $-{\mathrm{NH}}_2$

(2) $-{\mathrm{NHCOCH}}_3$

(3) $-\mathrm{O}-\stackrel{\underset{\parallel }{\mathrm{O}}}{\mathrm{C}}-\mathrm{R}$

(4) $-\stackrel{\oplus }{\mathrm{N}}{\mathrm{Me}}_3$

(5) $-{\mathrm{NO}}_2$

(6) $-{\mathrm{CCl}}_3$

(7) $-\underset{\stackrel{|}{\mathrm{R}}}{\mathrm{N}}-\stackrel{\underset{\parallel }{\mathrm{O}}}{\mathrm{C}}-{\mathrm{CH}}_3$

How many G.I. is possible for given alkene.

${\mathrm{CH}}_3-\mathrm{CH}=\mathrm{CH}-\mathrm{CH}-\mathrm{CH}=\mathrm{CH}-{\mathrm{CH}}_3$