$^{14}CH_2=CH-CH_3 \xrightarrow[\text{or high temp}]{\text{low conc of } Br_2} (?)$
Product of the above reaction is

Some addition reactions of alkene are given below. Identify the one which fits on $ALL$ the given criteria.
Reaction must have-
$(A)$ Stereochemistry of addition - $SYN$ $ONLY$
$(B)$ Regiochemistry of addition - $ANTI-MARKOVNIKOV$ $OR$ $ANTI-MARKOVNIKOV$ $LIKE$

$A$ hydrocarbon has a molecular mass of $84 \ g/mol$. What is the number of its structural chain isomers?

Which process converts olefins into paraffins?

What will be the major product of each of the two reactions shown below?
$1.$ $CH_3-CH_2-CH(N^{+}(CH_3)_3)OH^{-} \xrightarrow{\text{heat}} CH_3-CH=CH-CH_3 (X) + CH_3-CH_2-CH=CH_2 (Y)$
$2.$ $CH_3-CH_2-CH(Br)-CH_3 \xrightarrow{\text{heat}} CH_3-CH=CH-CH_3 (X) + CH_3-CH_2-CH=CH_2 (Y)$

$CH_3-CH_2-CH=CH_2 \xrightarrow[CCl_4]{Br_2} \text{Product}$