Nitrogen dioxide is a gas that can be generated by emissions from vehicles and factories. it can also be generated by natural sources, such as forest fires,
lightning, and microbial activity in soil. The equation for producing nitrogen
dioxide is shown below. Which of these provides evidence that a chemical
reaction occurs?

the positions which points up in upward carbon and down in downward carbon are axial

and vice versa holds true for equatorial positions

so the correct answer with labelled diagram will be

i think slash and

answer:

the reaction is type of combination reaction.

explanation:

on the product side, there are 2 molecules of bonded to fe   which means one atom of fe are combined two molecules of . so, balanced chemical equation becomes :

this reaction follows the reaction type of combination reaction. a combination reaction is defined as chemical reaction in which reactants combines together to form a single product.