1. A green coloured solid compound 'X', gets oxidized to reddish brown solid in presence of air. 'X' on heating gives brown coloured solid 'Y' and two pungent smelling gases A and B.A tuns acidified potassium dichromate solution green.Name X,Y, A and B and type of reaction. A) CuSO., CuO. SO,SOs,decomposition B) FeSO,Fe, SO, SOg,decomposition C) FeSO.,FeO,SO,SOs,decomposition D) FeSO., Fe2O, SOs, SO,decomposition
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solution is a green color solution. So, this is X.
- X on reaction with air oxidised to reddish brown solid
.
- X on heating give ferric oxide
along with two pungent smelling gases
and
.
- A is sulphar dioxide which turns orange color potassium dichromate solution to green. This reaction is decomposition reaction.
- So, X,Y,A,B are
,
,
and
.
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