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A hydrated metallic salt A, light green ...

A hydrated metallic salt A, light green in colour, on careful heating gives a white anhydrous residue B. Aqueous solution of B reacts with NO to give a dark brown compound C. On strong heating, B decomposes to give a brown residue D and a mixture of two gases E and F. Identify E and F.

A

`SO_2` and `SO_3`

B

`NO_2` and `NO`

C

`NH_3` and `NO_2`

D

None of these

Text Solution

Verified by Experts

The correct Answer is:
A
`A = Fe SO_(4) * 7 H_(2) O , B = FeSO_(4) , C = Fe (NO)SO_(4) , D = Fe_(2) O_(3) , E = SO_(2) , F = SO_3`.
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