question_answer

\[Mg\xrightarrow[Heat]{Air}X+Y\xrightarrow[Colourless\,gas]{{{H}_{2}}O}Z\] \[Z\xrightarrow[{}]{{{H}_{2}}O}Solution\xrightarrow[Blue\,coloured\,solution]{CuS{{O}_{4}}}(A)\] Substances X, Y, Z and A are respectively

A) \[M{{g}_{3}}{{N}_{2}},MgO,N{{H}_{3}},CuS{{O}_{4}}.5{{H}_{2}}O\]

B) \[Mg{{(N{{O}_{3}})}_{2}},MgO,{{H}_{2}},CuS{{O}_{4}}.5{{H}_{2}}O\]

C) \[MgO,M{{g}_{3}}{{N}_{2}},N{{H}_{3}},[Cu{{(N{{H}_{3}})}_{4}}]S{{O}_{4}}\]

D) \[Mg{{(N{{O}_{3}})}_{2}},Mg{{O}_{2}},{{H}_{2}}{{O}_{2}},CuS{{O}_{4}}.5{{H}_{2}}O\]