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In salts of polyatomic anion, as polaris...

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?

A

`FeSO_(4)`

B

`SnSO_(4)`

C

`H_(2)C_(2)O_(4)`

D

`Na_(2)HPO_(4)`

Text Solution

Verified by Experts

The correct Answer is:
D
`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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Knowledge Check

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

    A
    `FeSO_(4)`
    B
    `SnSO_(4)`
    C
    `H_(2)C_(2)O_(4)`
    D
    `Na_(2)HPO_(4)`

  • 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. Water soluble salt(x) was heated into three products A, B and C and B and C are two different paramagnetic gases. A is red in hot condition, then salt(x) is :

    A
    `Hg(NO_(3))_(2)`
    B
    `FeC_(2)O_(4)`
    C
    `ZnSO_(4)`
    D
    `Pb(NO_(3))_(2)`

  • 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. Water soluble salt(x) was heated into three products A, B and C and B and C are two different paramagnetic gases. A is red in hot condition, then salt(x) is :

    A
    `Hg(NO_(3))_(2)`
    B
    `FeC_(2)O_(4)`
    C
    `ZnSO_(4)`
    D
    `Pb(NO_(3))_(2)`

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