Which of the following options represents the oxidation state of $C o$ and $C r$ in the given complex?
$[C O {(N H}_{3})_{4} {(N O}_{2})_{2}] [C r {(N H}_{3})_{3} {(N O}_{2})_{3}]$

2, 3

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3, 2

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3, 3

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2, 2

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Solution

The correct option is B $2, 3$
Let the oxidation state of Co in $[C o (N H_{3})_{4} (N O)_{2}]$ be z, So z+0+(2x-1)=0 implies x=+2. and let the oxidation state of Cr in $[C r (N H_{3})_{3} (N O_{2})_{3}]$ be y Therefore, y+0+(3x-1)=0 implies y= +3.Hence, the correct option is A.

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Similar questions

Let A = {1, 2, 3}, B = {2, 3, 4}, then which of the following is a function from A to B ?

A = {1, 2, 3}

R, S

A

R = {(1, 1), (2, 2), (3, 3), (1, 2), (2, 1)}, S = {(1, 1), (2, 2), (3, 3), (2, 3), (3, 2)}

R \cup S

{[C o {({N H}_{3})}_{4} {({N O}_{2})}_{2}]}_{4}^{+}

R = {(1, 1), (2, 1), (2, 2), (2, 3), (2, 4), (3, 1), (3, 2), (3, 3), (3, 4)}

A = {1, 2, 3, 4}

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