Which intermediate is formed when $HCl$ is added to propene in the presence of peroxide?

The reaction of bromine with an alkene is an example of which of the following?

In which of the following reactions will $CO_2$ gas $NOT$ be released?

The product $(A)$ of the above reaction is:

Which of the following alkenes yield $3-$bromo$-3-$methylpentane as the major product upon addition of $HBr$?
$(I)$ $3-$methylpent$-2-$ene
$(II)$ $3-$methylpent$-2-$ene (isomer)
$(III)$ $3-$ethylpent$-1-$ene
$(IV)$ $3-$methylpent$-1-$ene

Identify products $A$ and $B$ in the following reaction sequence:
$1$-methylcyclopentene $\xrightarrow{\text{dil. } KMnO_4, 273 \ K} A$ $\xrightarrow{CrO_3} B$