Addition Reaction

Q.

Which of the following is an electrophilic addition reaction ?

1. $C{H}_2=C{H}_2+H^{+}⟶C{H}_3-C{H}_2^{\oplus }$

2. $C{H}_3-C{H}_2^{\oplus }+B{r}^{-}⟶C{H}_{3}C{H}_{2}Br$

3. Both (a) and (b)

4. None of these

Q. Which of the following is an addition reaction ?

1. $H_{2}C=C{H}_2+X_2\to H-\stackrel{H}{\stackrel{|}{\underset{H}{\underset{|}{C}}}}-\stackrel{H}{\stackrel{|}{\underset{H}{\underset{|}{C}}}}-X$

2. $C{H}_4\to C{H}_{3}Cl+HCl$

3. Both (a) and (b)
4. None of these

Q.

$C{H}_{3}CH=C{H}_2+B\stackrel{.}{r}\to C{H}_3\stackrel{.}{C}{H}_{2}Br$

1. Electrophilic addition reaction

2. Nucleophilic addition reaction

3. Free radical addition reaction

4. None of these