1.

In salts of polyatomic anion, as polarising power of cation increase, thermal stability of the salt decrease and decomposed species may further undergo redox reaction Q. Which of the followinng species undergoes non-redox thermal decomposition reaction on heating?

Answer»

`FeSO_(4)`
`SnSO_(4)`
`H_(2)C_(2)O_(4)`
`Na_(2)HPO_(4)`

Solution :`2FeSO_(4) overset(delta)(to)Fe_(2)O_(3)+SO_(2)(uarr)+SO_(3)(uarr)`
`SnSO_(4) overset(Delta)(to)SnO_(2)+SO_(2)(uarr)`
`H_(2)C_(2)O_(4) overset(Delta)(to) CO(uarr)+CO_(2)(uarr)+H_(2)O`
`2Na_(2)P_(2)O_(7)+H_(2)O`


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