Write balanced chemical equations for the following reactions :
Heating ethanol at 443 K `(130^@C)` in the presence of concentrated sulphuric acid.

Write balanced chemical equations for the following reactions : (i) Ethane and oxygen in the presence of molybdenum oxide.

Write balanced chemical equations for the Heating of ethanol at 170^@C in the presence of concentrated sulphuric acid.

Write balanced chemical equation for the following: Preparation of ethanol from Ethyl Chloride.

Write balanced chemical equations for the Preparation of ethanol from ethyl chloride.

State one relevant observation for the following reaction: Addition of ethyl alcohol to acetic acid in the presence of concentrated Sulphuric acid.

Write a fully balanced equation for the following case : Acetic acid is warmed with ethanol in the presence of concentrated sulphuric acid.

Write balanced chemical equations for the following reactions : Sulphuric acid is treated with phosphorus.

Write balanced chemical equations for the following reactions : Benzoic acid is treated with a mixture of concentrated nitric acid and concentrated sulphuric acid.

Write balanced chemical equations for the following reactions of: The preparation of hydrogen chloride from sodium chloride and sulphuric acid. State whether the sulphuric acid should be concentrated or dilute.

Write balanced chemical equation for the reaction of zine and dilute hydrochloric acid.