Answer the following questions based on HSAB theory. If usingFajans Rules, give the rule number and explain why it applies.
1. Explain why aluminum perchlorate is less soluble thanaluminum cyanide. This is unusual since perchorates tend to be verysoluble.
2. Explain why the Ksp for FeBr2 is 4.1 x 10–4 and the Ksp forFeF2 is 3.2 x 19–7.
3. Explain why the Ksp for Fe(OH)3 is 1.2 x 10–36 and the Kspfor Fe(OH)2 is 7.8 x 10–16.
4. Explain why VS is more soluble than NiS.
