First slide

Terms used in complex chemistry

Question

What is the oxidation number of chromium in the dimeric hydroxo bridged species ?

Easy

A

+ 6
B

+ 4
C

+ 3
D

+ 2

Solution

$\begin{array}{l} (0) \times 4 + x + (- 2) + (- 2) + x + (0) \times 4 = 4 \\ 2 x + (- 4) = + 4 \\ 2 x = + 8 \\ (Cr) x = + 4 \end{array}$

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