Amongst the following, identify the species with an atom in + 6 oxidation state.

Question

Amongst the following, identify the species with an atom in + 6 oxidation state., CrO 2 Cl 2, Cr CN 6 3 -, Cr 2 O 3, MnO 4 -

MARKS App · Accepted Answer

Cr + 6 O - 2 2 Cl - 1 2 ⇒ x + 2 ( − 2 ) + 2 ( − 1 ) = 0 x = 6 Cr + 3 CN 6 - 3 ⇒ x + 6 ( − 1 ) = − 3 x = 3 Cr + 3 2 O - 2 3 ⇒ 2 x + 3 ( − 2 ) = 0 x = 3 Mn + 7 O 4 - 2 - 1 ⇒ x + 4 ( − 2 ) = − 1 x = + 7

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