A metal X on heating in nitrogen gas gives `Y,Y` on treatment with `H_(2)O` gives a colourless gas which when passed through chloroplatinic acid produces yellow precipitate `'Y'` is `:`

A metal X on heating in nitrogen gas gives Y, Y on treatment with H_2 O gives a colourless gas which then passed through Cuso_4 solution gives a blue colour. Y is

A metal X on heating in nitrogen gas gives Y,Y on treatment with H_(2)O gives a colourless gas which when passed through CuSO_(4) solution gives a blue colour. Y is:

A metal X on heating in nitrogen gas gives Y,Y on treatment with H_(2)O gives a colourless gas which when passed through CuSO_(4) solution gives a blue colour. Y is:

A metal X on heating with nitrogen gas gives Y.Y on treatment with H_(2)O gives a colourless gas which on passing through CuSO_(4) gives blue solution then Y is

A metal (A) on heating in nitrogen gas given compound B.B on treatment with H_(2)O givens a colourless gas which when passed throught CuSO_(4) solution given a dark blue - violet coloured solution . A and B respectivley are :

The metal 'X' on heating with nitrogen gives compound 'Y' which dissolves in water to evolve a colourless gas. The gas on passing through CuSO_4 solution gives a blue colour. The compound 'Y' is

A metallic carbide on treatment with water gives a colouless gas which burns readily in air and gives a precipitate with ammonical silver nitrate. The gas is