A Chloro compound (A) showed the following properties:
(a) decolourised bromine water (b) absorbed hydrogen catalytically (C) gives precipitate with cuprous chloride, (d) when vaporized 1.49 g of (A) gave 448 mL of vapours at STP. Identify (A) and write down the reactions involved.

A chloro compound (A) showed the following properties, i. decolourised bromine in CCl4 (ii). Absorbed hydrogen catalytically. (iii). Gave a red precipitate with ammoniacal cuprous chloride (iv). When vaporised 1.49 gm of (A) gave 448 ml of vapours at STP. Identify (A) and write the equation for the reaction is step 3.

A chloro compound "A". (i) forms aldehydes on ozonolysis followed by the hydrolysis. (ii) when vaporized completely 1.53 g of A, gives 448 mL of vapour at STP. The number of carbon atoms in a molecule of compound A is _____.

A colourless compound X on treatment with alc. KOH gave a gaseous compound Y. The compound Y decolourises bromine water and alkaline KMnO_(4) solution but gives no precipitate with ammoniacal cuprous chloride. The compound X is :

Compound A' reacts with thionyl chloride to give 'B'. A reacts with sodium hydroxide to give C, B and C, when heated together gave acetic anhydride. Identify A, B and C and write the complete reactions involved.

An organic compound (A) with molecular formula C_(8)H_(8)O forms an orange-red precipitate with 2,4-DNP reagent and gives yellow precipitate on heating with iodine in the presence of sodium hydroxide. It neither reduces Tollens or Fehlings reagent, nor does it decolourise bromine water or Baeyerâs reagent. On drastic oxidation with chromic acid, it gives a carboxylic acid (B) having molecular formula C_(7)H_(6)O_(2) . Identify the compounds (A) and (B) and explain the reactions involved.