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Equal quantities of electricity are passed through 3 votameters containing FeSO_(4),Fe_(2)(SO_(4))_(2) and Fe(NO_(3))_(3). Cosider the following statements (A) The amounts of iron deposited I FeSO_(4) and Fe_(2)(SO_(4))_(3) are equal (B) The amount of iron deposited in Fe(NO_(3))_(2) is 2//3^(rd) of the amount deposited in FeSO_(4) (C) The amount of iron deposited in Fe_(2)(SO_(4))_(3) and Fe(NO_(3))_(3) are equal |
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Answer» (A) is CORRECT `FeSO_(4)toFe^(2+)+SO_(4)^(2-)` `Fe^(2+)+underset(2F)(2e^(-))tounderset("1 mole")(Fe(S))` `Fe_(2)(SO_(4))_(3)to2Fe^(3+)3SO_(4)^(2-)` `Fe^(3+)+underset(3F)(3e^(-))to underset(1" mole")(Fe(S))` `Fe(NO_(3))_(3)toFe_(3+)^(-)` `Fe^(3+)+underset(3F)(3e^(-))tounderset("1 mole")(Fe(S))` `therefore2F` will give`=(2)/(3)` mole |
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