$1$-Methylcyclohexene reacts with $B_2H_6$. The product is then treated with $H_2O_2$ and $NaOH$. What will be the product of the reaction?

An alkene $X$ with formula $C_4H_8$ does not exhibit geometrical isomerism. In the conversion of $X$ to $Y$,the correct sequence of reagents $A$ and $B$ used are ($Y$ gives iodoform test):
$X$ $\xrightarrow{A} \text{Intermediate}$ $\xrightarrow{B} Y$

What is the product formed when glycerol reacts with excess $HI$?

In the following sequence of reactions,the alkene affords the compound $B$.
$CH_3-CH=CH-CH_3$ $\xrightarrow{O_3} A$ $\xrightarrow[Zn]{H_2O} B$
The compound $B$ is:

An alkene $(X)$ on ozonolysis followed by reduction gives the following products: $H-CHO$ ($2$ moles),$H-CO-CHO$,and $CH_3-CO-CO-CH_3$. The alkene $(X)$ is:

Which of the following gases decolourises $KMnO_4$ solution but does not give a precipitate with ammoniacal cuprous chloride?