Iodoform can be obtained on warming $NaOH$ and iodine with

The reaction sequence is given as:
$1-methylcyclohexene$ $\xrightarrow[alkaline \ KMnO_4]{cold} A$ $\xrightarrow[AcOH]{CrO_3} B$
Identify $A$ and $B$.

Provide the reactions of alcohols and phenols where the $O-H$ bond breaks to form $-OCOR$ (ester) compounds.

Which of the following will not produce $CH_4$ gas when reacted with $CH_3MgBr$?

Iodoform can be obtained on warming $NaOH$ and iodine with:

The effective factor in the preparation of alkene from alcohol using $Al_2O_3$ is ................ .