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JEE Main levelOne or more correct optionsDifficulty 2 of 3qc076

Which of the following are yellow?

A $BaCrO X_{4}$ precipitate
Baqueous $Na X_{2} CrO X_{4}$
C $PbCrO X_{4}$ precipitate
Dthe peroxide $CrO X_{5}$ extracted into ether

Answer: A, B, C

Chromate solution, lead chromate and barium chromate are all yellow because of ligand-to-metal charge transfer in

CrO X_{4} X^{2 -}

. The last option is false because

CrO X_{5}

in ether is blue.

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