1-Methylcyclohexane is allowed to react with B₂H₆. The product is then treated with H₂O₂ and NaOH. The reaction is : 

The product formed is

Consider the reaction

Which of the following is formed in major amount

In the reaction

the product obtained is-

The order of stability of the alkenes 

$\begin{array}{c}{\mathrm{R}}_2\mathrm{C}={\mathrm{CR}}_2\\ \mathrm{I}\end{array}$, $\begin{array}{c}{\mathrm{R}}_2\mathrm{C}=\mathrm{CHR}\\ \mathrm{II}\end{array}$, $\begin{array}{c}{\mathrm{R}}_2\mathrm{C}={\mathrm{CH}}_2\\ \mathrm{III}\end{array}$, $\begin{array}{c}\mathrm{RCH}=\mathrm{CHR}\\ \mathrm{IV}\end{array}$ and $\begin{array}{c}\mathrm{RCH}={\mathrm{CH}}_2\\ \mathrm{V}\end{array}$

is-