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Qualitative Analysis

Quick practice

Question 1 of 5

The oxidation state of molybdenum in its complex species \left[\mathrm{Mo}_2 \mathrm{O}_4\left(\mathrm{C}_2 \mathrm{H}_4\right)_2\left(\mathrm{H}_2 \mathrm{O}\right)_2\right]^{2-} is:

A

2

B

3

C

5

D

4

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