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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) `underset("Steam")(3Fe) + underset(("ferroso-ferric oxide"))(4H_2O to Fe_3O_4 + 4H_2)`
(b) `Mg + N_2 to Mg_3N_2`
(c ) `CuSO_4 + Zn to ZnSO_4 + Cu`
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