Q.

2FeSO4(s)heat Fe2O3(s) + SO2(g) + SO3(g)

Regarding the above reaction, which of the following statement is false?  

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a

There is combination of reactions. 

b

Sulphur produces a characteristic smell. 

c

The color of the crystal changes. 

d

It is thermal decomposition reaction. 

answer is D.

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Detailed Solution

There is no combination reaction taking place in the given reaction. There is thermal decomposition, since a single reactant is decomposing into two or more products in the presence of heat. 

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2FeSO4(s)→heat Fe2O3(s) + SO2(g) + SO3(g)Regarding the above reaction, which of the following statement is false?