Which of the following arrangements represent increasing oxidation number of the central atom?

{C r O}_{2}^{-}, {C l O}_{3}^{-}, {C r O}_{4}^{2 -}, {M n O}_{4}^{-}

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{C l O}_{3}^{-}, {C r O}_{4}^{2 -}, {M n O}_{4}^{-}, {C r O}_{2}^{-}

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{C r O}_{2}^{-}, {C l O}_{3}^{-}, {M n O}_{4}^{-}, {C r O}_{4}^{2 -}

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{C r O}_{4}^{2 -}, {M n O}_{4}^{-}, {C r O}_{2}^{-}, {C l O}_{3}^{-}

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Solution

The correct option is D ${C r O}_{2}^{-}, {C l O}_{3}^{-}, {C r O}_{4}^{2 -}, {M n O}_{4}^{-}$
Answer:-
Given compound Oxidation number (Central atom)
${C r O_{2}}^{-}$ +4 (Cr)
${C l O_{3}}^{-}$
+5 (Cl)
${C r O_{4}}^{2 -}$ +6 (Cr)
${M n O_{4}}^{-}$ +7 (Mn)

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Similar questions

H_{2} S

S O_{3}

C r O_{4}^{2 -}

F e^{2 +}

M n O_{4}^{-}

C r O_{4}^{2 -} + S O_{3}^{2 -} \to C r O_{2}^{-} + S O_{4}^{2 -} + O H^{-}

C l O^{-} + C r O_{2}^{-} \to C l^{-} + C r O_{4}^{2 -}

S n^{4 +} \to S n^{2 +}

M n O_{4}^{-} \to M n^{2 +}

C l_{2} \to C l O_{3}^{-}

C l O^{-} + C r O_{2}^{-} \to C l^{-} + C r O_{4}^{2 -}

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Given compound	Oxidation number (Central atom)
${C r O_{2}}^{-}$	+4 (Cr)
${C l O_{3}}^{-}$	+5 (Cl)
${C r O_{4}}^{2 -}$	+6 (Cr)
${M n O_{4}}^{-}$	+7 (Mn)