Analytical ChemistryHard

Question

Potassium chromate solution is added to an aqueous solution of a metal chloride. The yellow precipitate thus obtained is insoluble in acetic acid. The precipitate is subjected to flame test, the colour of the flame is:

Options

A.lilac
B.apple green
C.crimson red
D.brick red

Solution

Ba2+ salts gives yellow precipitate with K2CrO4 solution and this precipitate is not soluble in CH3COOH. Ba2+ ions gives apple green colour in the flame test.

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