right or false ???

- The dehydration of an alcohol occurs by either an E1 or an E2 mechanism.

Alcohols have higher boiling points than thiols of comparable molecular weight

Thiols are more acidic than alcohols.

Alcohols can act as hydrogen bond donors, but not as

Hydrogen bond acceptors work.

When a thiol is reduced, a disulfide is formed.

A ketone is formed in the oxidation of a secondary alcohol with PCC.

A carboxylic acid is formed when a primary alcohol is oxidized with PCC.

OH is a bad leaving group.

Phenols are more acidic than alcohols.

An autoxidation takes place at carbon atoms in the allylic position.