Chemistry 9701 · AS & A Level · Chemistry of transition elements

Chemistry of transition elements — practice question

Transition elements and their compounds are commonly employed as catalysts. Which element is present in the catalyst used in the Contact process, and what oxidation number does it have?

Airon, $0$
Biron, $+3$
Cvanadium, $0$
Dvanadium, $+5$

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

Full mark scheme, point by point
Step-by-step worked solution
Write your answer & get it marked instantly by AI