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Question
Give a balanced equation for the following reaction of synthesis involving the formation of:
A salt – from a trivalent metal and a coloured gas.
Solution
A salt from trivalent metal \[\ce{Fe^3+}\] or \[\ce{Al^3+}\] and `"Cl"_2` (coloured gas)
\[\ce{2Al + 3Cl2->\underset{\text{salt (aluminium chloride)}}{2AlCl3}}\]
\[\ce{2Fe + 3Cl2->\underset{\text{salt (ferric chloride)}}{2FeCl3}}\]
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