Dissolving one mole of salt in water yields two moles of ions.

Question

A:NH4[Pt(NH3)Cl3]
B: tris(ethylenediamine)cobalt(III) sulfate
C: tetraaquadichloronickel(IV) chloride
D: [Co(NH3)2(en)Cl2]Cl
E: [Co(en)2Cl2]Br
F: sodium hexacyanoferrate(II)
None of these compounds

Answer 1

A, B, D, E, and F ionize to give two moles ions for each one mole compound.