Question

Why vanadium hexacarbonyl is better oxidising agent?

Answer 1

It increases more number of oxygen and decrease hydrogen.

hope this will help you...

Answer 2

Vanadium hexacarbonyl is thermally unstable. Its primary reaction is reduction to the monoanion V(CO)−

6, salts of which are well studied. It is also susceptible to substitution by tertiary phosphine ligands, often leading to disproportionation.