1.

Rationalize the given statements and give chemical reactions : Lead is known not to form an iodide, Pbl_4 .

Answer»

Solution : LEAD is known not to form Pbl. `Pb^(+4)`is oxidising in NATURE and `I^-` is reducing in nature. A combination of Pb(IV) and iodide ion is not STABLE. Iodide ion is STRONGLY reducing in nature. Pb(IV) oxidises `I^-` to `I_2` and itself gets reduced to Pb(II).
`PbI_4to PbI_2 + I_2`


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