A groups metal (A) which is present in common salt reacts with (B) to give compound in which hydrogen is present in -1 oxidation state. (B) on reaction with a gas (C) to i universal solvent (D). The compound (D) on reacts with (A) to give (E), a strong base Identify A, B, C, D and E. Explain the reactions.

A groups metal (A) which is present in common salt reacts with (B) to

1.	A groups metal (A) which is present in common salt reacts with (B) to give compound in which hydrogen is present in -1 oxidation state. (B) on reaction with a gas (C) to i universal solvent (D). The compound (D) on reacts with (A) to give (E), a strong base Identify A, B, C, D and E. Explain the reactions.
Answer» Solution :(i) Isotops of HYDROGEN reacts with which oxygen to give heavy WATER (B) `underset((A))2D_2+O_2tounderset((B))2D_2O` (ii) Deuterium (A) undergoes addition reaction with PROPENE (C ) to give PROPANE deuteride (D) `CH_3underset((C ))CH=CH_2toCH_3-underset((D))CHD-CH_2D`