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  4. The valency of Cr in the complex [Cr(H ..2 O )4 Cl 2]+ is

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Q. The valency of $Cr$ in the complex $[Cr(H \left.\left._{2} O \right)_{4} Cl _{2}\right]^{+}$ is

Coordination Compounds

Solution:

In $\left[ Cr \left( H _{2} O \right)_{4} Cl _{2}\right]^{+},$ the valency of $Cr$ is

$x+4 \times 0+2 \times(-1)=+1$

or $x-2=+1$ or $x=3$