When sec-butylcyclohexane reacts with bromine in the presence of sunlight, the major product is :

The maximum number of RBr producing 2-methylbutane by above sequence of reactions is ___________. (Consider the structural isomers only)

Match the LIST-I with LIST-II

Choose the correct answer from the options given below:

$The structure of the major product formed in the following reaction is:$

$\mathrm{The} \mathrm{products} \mathrm{A} \mathrm{and} \mathrm{B} \mathrm{in} \mathrm{the} \mathrm{following} \mathrm{reactions}, \mathrm{respectively} \mathrm{are}$

$\text{A}\stackrel{{\text{Ag-NO}}_2}{\leftarrow }{\text{CH}}_3-{\text{CH}}_2-{\text{CH}}_2-\text{Br}\stackrel{\text{AgCN}}{\to }\text{B}$

In the following substitution reaction:

Product 'P' formed is: