Question

1985 (1) XCL2 is the chroride of a metal X. State the formula of the sulphate and the hydroxide of the metal X. 1987
(2) an element X is trivalent .Thebalanced equation for the computation of X in oxygen.

Answer 1

Answer:

(1)sulphate:XSO4

hydroxide:X(OH)2

(2)

X3 + O2----->X2O3

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