Identify the following : (i) Oxoanion of chromium which is stable in – InterviewSolution

1.	Identify the following : (i) Oxoanion of chromium which is stable in acidic medium. (ii) The lanthanoid element that exhibits +4 oxidation state.
Answer» SOLUTION :(i) Oxoanion of chromium which is STABLE in acid medium is `Cr_(2)O_(7)^(-2)`. (ii) The LANTHANOID element that exhibits +4 oxidation state is CERIUM.

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