The oxidation states of iron atoms in compoun | vedclass

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(D) For compound $(A): Na_4[Fe(CN)_5(NOS)]$Let the oxidation state of $Fe$ be $x.$$(+1) 	imes 4 + x + (-1) 	imes 5 + (-1) = 0$$4 + x - 5 - 1 = 0 \im

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$6$

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(D) For compound $(A): Na_4[Fe(CN)_5(NOS)]$Let the oxidation state of $Fe$ be $x.$$(+1) 	imes 4 + x + (-1) 	imes 5 + (-1) = 0$$4 + x - 5 - 1 = 0 \implies x = +2$For compound $(B): Na_4[FeO_4]$Let the oxidation state of $Fe$ be $y.$$(+1) 	imes 4 + y + (-2) 	imes 4 = 0$$4 + y - 8 = 0 \implies y = +4$For compound $(C): [Fe_2(CO)_9]$Let the oxidation state of $Fe$ be $z.$$2z + 0 	imes 9 = 0 \implies z = 0$Sum of oxidation states $(x + y + z) = 2 + 4 + 0 = 6.$

The oxidation states of iron atoms in compounds $(A),$ $(B)$ and $(C),$ respectively,are $x,$ $y$ and $z.$ The sum of $x, y$ and $z$ is........
$(A)$ $Na_4[Fe(CN)_5(NOS)]$
$(B)$ $Na_4[FeO_4]$
$(C)$ $[Fe_2(CO)_9]$

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The oxidation states of iron atoms in compounds $(A),$ $(B)$ and $(C),$ respectively,are $x,$ $y$ and $z.$ The sum of $x, y$ and $z$ is........$(A)$ $Na_4[Fe(CN)_5(NOS)]$$(B)$ $Na_4[FeO_4]$$(C)$ $[Fe_2(CO)_9]$