Which of the following compounds gives trichloromethane on distilling with bleaching powder?

$1-Methylcyclohexene$ $\xrightarrow[\text{cold}]{alkaline\,KMnO_4} A$ $\xrightarrow[CH_3COOH]{CrO_3} B$
$A$ and $B$ are

Explain the intermolecular hydrogen bonding in alcohols and phenols and its effect on their physical properties.

For the given reaction,if the final product is a mixture of $C_4H_8Br_2$ isomers,what is the value of $X$ (the number of alkenes formed in the mixture)?

Which of the following alcohols reacts most rapidly with hydrogen halides?

Which one of the following gases is liberated when ethyl alcohol is heated with methyl magnesium iodide?