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Variable Valency

THIS IS THE Q...

Question

THIS IS THE QUESTION TAKEN FROM 1985 BOARD ICSE PAPER OF 10TH XCL2 is the chloride of a metal X.state the formula of the sulphate and hydroxide of the metal X

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Solution

XCL2 means X has valency 2 as Cl has valency 1.Valency of sulphate is -2 and Hydroxide is -1.So formula needed are XSO4 and X(OH)2

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Variable Valency

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