The product $(A)$ is:

Which is used as an antifreeze?

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

Which of the following reactions is not feasible?

Name the reagents used in the following reactions:
$(i)$ Oxidation of a primary alcohol to carboxylic acid.
$(ii)$ Oxidation of a primary alcohol to aldehyde.
$(iii)$ Bromination of phenol to $2,4,6-$tribromophenol.
$(iv)$ Benzyl alcohol to benzoic acid.
$(v)$ Dehydration of propan$-2-$ol to propene.
$(vi)$ Butan$-2-$one to butan$-2-$ol.

In glycerol,which of the following is true regarding the $-OH$ groups?