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Metal sulphate (A) overset(Heat) to "oxi...

Metal sulphate `(A) overset(Heat) to "oxide"(B)+gas(C)+gas(D)overset(Cr_(2)O_(7)^(2-)//H^(+))to`Green solution `underset(Excess)overset(Na_(2)O_(2))to underset("yellow solution")(E)`
Compound A, B, C, D are E are respectively:

A

`FeSO_(4),Fe_(2)O_(3),SO_(3),SO_(2),Na_(2)CrO_(4)`

B

`Al_(2)(So_(4))_(3),Al_(2)O_(3),SO_(3),SO_(2),Na_(2)CrO_(4)`

C

`CuSO_(4),CuO,SO_(3),SO_(2),NaCrO_(4)`

D

`ZnSO_(4),ZnO_(2),SO_(3),SO_(2),Na_(2)CrO_(4)`

Text Solution

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The correct Answer is:
A
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