Use the chemical equation to answer the question.

Question

WO3(s) + 3H2(g) → W(s) + 3H2O(g)
Which statement correctly describes the reaction?
(1 point)
Responses

Tungsten (W) changes oxidation numbers from +6 to zero, so it undergoes reduction.
Tungsten (W) changes oxidation numbers from +6 to zero, so it undergoes reduction.

Oxygen (O) changes oxidation numbers from –2 to zero, so it undergoes reduction.
Oxygen (O) changes oxidation numbers from –2 to zero, so it undergoes reduction.

Oxygen (O) changes oxidation numbers from –2 to zero, so it undergoes oxidation.
Oxygen (O) changes oxidation numbers from –2 to zero, so it undergoes oxidation.

Tungsten (W) changes oxidation numbers from +6 to zero, so it undergoes oxidation.

Answer 1

Tungsten (W) changes oxidation numbers from +6 to zero, so it undergoes reduction.