Question

Q.write chemical equation for
a) mno2 is heated with Al power
b) steam is passed over red hot iron
c) doesn't react with water​

Answer 1

Answer:

It is known that aluminium is more reactive than manganese therefore, when manganese dioxide reacts with aluminium then it results into the formation of aluminium trioxide and manganese.

The chemical reaction will be as follows.

   

So, we can see that aluminium being stronger than manganese is able to displace manganese from manganese dioxide. This reaction is also known as single displacement reaction

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Answer 2

a) mno2+ al = al2o3 + MN

b) h20 + Fe = Fe3O4

c) GOLD