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Extraction of Aluminium

What is the f...

Question

What is the formula of diva lent metal chromate?

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Solution

The formula of divalent metal chromate is XCr₂O₇ where X is a divalent metal.

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Q. If the formula of chromic acid is

H_{2} C r O_{4}

, then what is the formula of divalent metal chromate?

M S O_{4}

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vii) Chromate viii) Phosphate.

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