Alcohols Phenol and ethers

Phenol is

Assertion: Alcohols have higher boiling points than ethers of comparable molecular masses. Reason: Alcohols and ethers are isomerism in nature.

Alcohols and ethers are

Explain why alcohols and ethers of comparable molecular mass have different boiling points?

Assertion (A) Boiling points of alcohols and ethers are high. Reason (R) They can form intermolecular hydrogen-bonding.

The ether

Alcohol and ether are conducting liquids. _____________

Colloidion which is solution of nitro-cellulose in a mixture of alcohol and ether is used

Why are carboxylic acids more acidic than alcohols or phenols although all of them have hydrogen atom attached to a oxygen atom (-O-H)?

Indicate a method for the following conversions : Ethyl alcohol to diethyl ether