1.

The CN of Ni^(+2)=4 NiCl_(2)+KCN_("excess")toA (cyano complex) NiCl_(2)+conc.KCl_("(excess)")toB (Chloro complex) The IUPAC name of A and B are

Answer»

POTASSIUM tetracyano nickelate (II), Potassium TETRACHLORO nickelate(II)
Tetracyano potassium nickelate(II), Tetrachloro potassium nickelate (II)
Tetracyano nickel (II), Tetrachloro nickel (II)
Potassium tetracyano nickel (II), Potassium tetracholoro nickel (II)

Solution :`NiCl_(2)+underset(("excess"))(4KCN)toK_(2)[underset((A))(Ni)(CN)_(4)]+2KCl`
`K_(2)[Ni(CN)_(4)]to` Potassium tetrachloronickelate II
`NiCl_(2)+underset(("excess"))(2KCl)toK_(2)[underset((B))Ni(Cl)_(4)]`
`K_(2)[Ni(Cl)_(4)]to` Potassium tetrachloronickelate (II)


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