Phenol on distilling with zinc dust gives

Phenol on distillation with zinc dust gives ___________.

Resorcinol on distillation with ainc dust gives

Phenol upon distiliation with zinc dust gives :

When phenol is distilled with zinc dust it gives

When phenol is distilled with zinc dust, it gives

(i) Phenol is distilled with Zn dust gives (A) followed by friedel - crafts alkylation with propyl chloride to give a compound B, B on oxidation gives (C ). Identify A, B and C. (ii) How would you convert prop - 1 - yne to propanone?