148
Question
Give the formaula and valency of :
(a) aluminate ........................ ..............................
(b) chromate ........................ ................................
(c) aluminium .......................... ................................
(d) cupric ................................. ...................................
Give the formaula and valency of :
(a) aluminate ........................ ..............................
(b) chromate ........................ ................................
(c) aluminium .......................... ................................
(d) cupric ................................. ...................................
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Solution
The formula of aluminate is AlO₃ and valency = -1
the formula of chromate is CrO₄⁻² and valency = 2
the formula of aluminium is Al and valency = 3
formula of cupric is Cu(ll) and valancey = 2
The formula of aluminate is AlO₃ and valency = -1
the formula of chromate is CrO₄⁻² and valency = 2
the formula of aluminium is Al and valency = 3
formula of cupric is Cu(ll) and valancey = 2
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