Question

1.Rank the lead halide salts in order of their solubility in water?
2.Which is more soluble in water, NaIO3 or CSIO3?
3. Rank the group 2 Carbonates in order of thermal stability ?

Answer 1

Answer:

The thermal stability increases as you go down Group 2. This is because the Group 2 ion has lower charge density, and thus distorts the carbonate ion less. The less distorted the carbonate ion is, the more stable it is, and so a higher temperature is required to decompose the carbonate.

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