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Oxides and Oxoanions

The oxidation...

Question

The oxidation states of $C r$ in:

$[C r (H_{2} O)_{6}] C l_{3}, [C r (C_{6} H_{6})_{2}]$ and $K_{2} [C r (C N)_{2} (O)_{2} (O_{2}) (N H_{3})]$ , respectively, are:

+ 3

+ 4

and

+ 6

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+ 3

+ 2

and

+ 4

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+ 3

0

and

+ 6

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+ 3

0

and

+ 4

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Solution

The correct option is C $+ 3$ , $0$ and $+ 6$

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Similar questions

[C r (H_{2} O)] {C l}_{3}, [{C r (C_{6} H_{6})}_{2}],

K_{2} [C r {(C N)}_{2} {(O)}_{2} {(O)}_{2} ({N H}_{3})]

C r

K_{3} [C r (C_{2} O_{4})_{3}]

K_{2} C r_{2} O_{7} + S O_{2} H^{+} - - \to

H I O_{4}, H_{3} I O_{5}

H_{5} I O_{6}

P O C l_{3}, H_{2} P O_{3} a n d H_{4} P_{2} O_{6}

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