Three faradays electricity was passed through an aqueous solution of iron (II)
bromide. The weight of iron metal (at. wt. = 56) deposited at the cathode (in
gm) is
[EAMCET 1991]
56
84
112
168
Three Faradays of electricity was passed through an aqueous solution of magnesium bromide. The weight of magnesium metal deposited at the cathode in grams is: