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Give the necessary chemical equations a...

Give the necessary chemical equations and balance them.
(a) Reaction of red hot iorn with steam to give `Fe_(3)O_(4)` .
(b) burning magnesiun ribbon in an atmosphere of nitrogen.
(c ) Displacement of copper from the solution of its sulphate by zinc.

Text Solution

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(a) `3Fe+underset("steam")(4H_(2)O)tounderset(("Ferroso ferric oxide"))(Fe_(3)O_(4)+4H_(2))`
(b) `3Mg+N_(2) " " toMg_(3)N_(2)`
( c) `CuSO_(4)+Zn " " to ZnSO_(4)+Cu`
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