A compound X when treated with an organic acid Y (having vinegar like smell) in the presence of the acid Z, forms a compound P which has a fruity smell.

(a) Identify X, Y and Z.

(b) Write structural formula of X and Y.

(c) What type of compound is P?

(d) Name the above reaction.

(e) If compound X and Y both have 2 carbon atoms. Write the reaction.

Compound A is bubbled through bromine dissolved in carbon tetrachloride and the product formed is CH₂Br–CH₂Br.

(i) Draw the structural formula of A.

(ii) What type of reaction has A undergone.

(iii) What is your observation.

(iv) Name (not formula) the compound formed when steam reacts with A in the presence of phosphoric acid.

(v) What is the procedure for converting the product of (e) (iv) back to A ?

Draw the structural formula for each of the following—

(a) Ethanoic acid

(b) But-2-yne

(c) Methanoic acid

(d) Ethanal

(e) Ethyne

(f) Acetone

(g) 2-methyl propane

(h) An isomer of n-butane

(i) 2-propanol

(j) ethanol

(k) 1-propanal

(l) ethanoic acid

(m) 1,2, dichloroethane

Give balanced chemical equation for the following conversions :

(a) Ethanoic acid to ethyl ethanoate.

(b) Calcium carbide to ethyne

(c) Sodium ethanoate to methane.

(d) Ethyl chloride to ethyl alcohol

(e) Ethyl chloride to ethene

(f) Ethene to ethyl alcohol

(g) Ethyl alcohol to ethene