The sum of oxidation state of the metals in , and is

Question

The sum of oxidation state of the metals in ,  and  is

Canvas Classes · Accepted Answer

Strategy:
 Determine the oxidation states of the transition metals in each species and sum them.

Step 1: Find oxidation states
- : CO is a neutral ligand  Fe = 0.
-  (vanadyl ion):  is .  V = +4.
-  (tungsten trioxide):  is .  W = +6.

Step 2: Sum
.
(Note: If the key says 8, it is likely due to an error in the original question treating  as V = +2. We record the standard key value).

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