1.

Mg + "air" overset("Ignition") rarrA+ B (Insoluble ) A overset(dil.Hcl)rarrC+Duarr CuO+Doverset(Delta)rarrEuarrWhich can Increase the solubility of AgCI in water ?

Answer»

B
D
E
C

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`
`D-NH_3` - increases the solubility of AgCl in water `Agcl +2NH_(3)rarr[Ag(NH_3)_(2)]^(+)+Cl^(Theta)`


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