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Which of the following is wrong with respect to $[Co {({NH}_{3})}_{5} Cl] C l_{2}$

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Central metal ion is Co and the ligands are ${NH}_{3} and {Cl}^{-} ion$

Oxidation number of Co is $+ 2$

Co-ordination number of Co is 6

The number of ions formed when 1 mole of the compound dissolves in water is 3 moles

answer is B.

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Detailed Solution

$[Co {({NH}_{3})}_{5} {Cl}_{3}] \to x + 3 (0) - 3 (- 1) = 0$

$X = 3 = 0 \Rightarrow x = + 3$

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