In organic reactions, sodium in liquid ammonia is used as:

Which of the following reagents is used to prepare $Propan-1-ol$ from $propene$?

Ethylene reacts with $Br_2$ to give $1,2\text{-dibromoethane}$. The intermediate of the reaction is:

Choose the correct product of the following reaction:
$1$,$2$-dimethylcyclopent$-1-$ene $\xrightarrow[2. H_3O^+]{1. mCPBA}$ Product

The major product of the following reaction is $F_3C-CH=CH_2 + HBr \rightarrow$

At low temperatures,the slow addition of molecular bromine to $CH_2=CH-CH_2-C \equiv CH$ gives :-