the conversion of co(g) to co₂(g) is sped up by introducing co(g) to solid platinum. this makes platinum:\na…

the conversion of co(g) to co₂(g) is sped up by introducing co(g) to solid platinum. this makes platinum:\na a homogeneous inhibitor\nb a heterogeneous inhibitor\nc a homogeneous catalyst\nd a heterogeneous catalyst

the conversion of co(g) to co₂(g) is sped up by introducing co(g) to solid platinum. this makes platinum:\na a homogeneous inhibitor\nb a heterogeneous inhibitor\nc a homogeneous catalyst\nd a heterogeneous catalyst

Answer

Brief Explanations:

A catalyst speeds up a chemical reaction. When the catalyst is in a different phase from the reactants, it is a heterogeneous catalyst. Here, solid platinum is in a different phase (solid) from gaseous CO, so it is a heterogeneous catalyst.

Answer:

D. A heterogeneous catalyst