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A sample of hyhdrazine sulphate (N2H6SO4) was dissolved in 100 ml water. 10 ml of this solution was reacted with excess of solution and warmed to complete the reaction. Ferrous ions formed required 20 ml of solution. Given : 4Fe3++N2H4→N2+Fe2++4H+ MnO−4+5Fe2++8H+→Mn2++5Fe3++4H2O The amount (g) of hydrazine sulphate in one litre is

Answer»

A sample of hyhdrazine sulphate (N2H6SO4) was dissolved in 100 ml water. 10 ml of this solution was reacted with excess of solution and warmed to complete the reaction. Ferrous ions formed required 20 ml of solution.
Given : 4Fe3++N2H4N2+Fe2++4H+
MnO4+5Fe2++8H+Mn2++5Fe3++4H2O

The amount (g) of hydrazine sulphate in one litre is




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