the charge on chloride ion is -1 . what is the charge on iron in ferric chloride? write its formula
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Solution
The formula of ferric chloride is FeCl3. Charge on iron is +3 in ferric chloride.
Ferric chloride is neutral compound. So, the overall charge on it is zero. Let charge on iron is "x". The charge can be calculated as
x + 3(-1) = 0
x = +3