An organic compound (A) C₂H₃OCI on treatment with Pd and BaSO₄ gives (B) C₂H₄O which answers iodoform test. (B) when treated with cone.H₂SO₄ undergoes polymerisation to give (C) a cyclic compound. Identify (A), (B) and (C) and explain the reactions.

An organic compound (A) with molecular formula C₃H₆O undergoes iodoform reaction. Two molecules of compound (A) react with dry HCI to give compound (B) (C₆H₁₀O). Compound (B) reacts with one more molecule of compound (A) to give compound (C) (C₉H₁₄O). Identify (A), (B) and (C). Explain the reactions.

An organic compound A (C₂H₃N) on reduction with SnCI₂/HCI gives B (C₂H₄O) which reduces Tollen's reagent. Compound B on reduction with N₂H₄/C₂H₅ONa gives C (C₂H₆). Identify the compounds A, B and C. Explain the reactions involved.

An organic compound (A) of molecular formula C₇H₆O is called as oil of bitter almonds. (A) on oxidation gives (B) of molecular formula C₇H₆O₂ which gives brisk effervescence with NaHCO₃ solution. When (A) is refluxed with aqueous alcoholic (KCN) compound (C) is formed. Identify A, B and C and write the equations.

Ail organic compound. (A) C₇H₆O reduces Tollens reagent. Compound (A) reacts with acetic anhydride in the presence of anhydrous sodium acetate and gives an unsaturated acid (B). Compound (A) reacts with acetone in the presence of alkali and gives (C). What are (A)(B) and (C) Explain the reactions.