1.

Mg + "air" overset("Ignition") rarrA+ B (Insoluble ) A overset(dil.Hcl)rarrC+Duarr CuO+Doverset(Delta)rarrEuarr Correct statment about 'E' ......

Answer»

It is an ACIDIC gas
It I a basic gas
It can be prepared by heating `NH_4NO_2`
It can be obtaind by heating `NH_(4)CL` with NaOH

Solution :`5Mg+underset("air")(ubrace(N_2+O_2))overset(Delta)rarrunderset((A))(Mg_(3)N_(2))+underset("INSOLUBLE")underset(uarr(B))(MgOdarr)underset((A))(Mg_3N_2)+underset("dil)(6HCl)rarrunderset((C))(3MgCl_2)+underset((D))(2NH_3)uarr3CuO+underset((D))(2NH_3)rarr3Cu+underset((E))(N_2)uarr+3H_2O`
E is `N_2` it can be prepared by heating `NH_(4)NO_(2)overset(Delta)rarrN_(2)+2H_(2)O`


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