Question

The following mechanism has been proposed for the gas-phase reaction of H2 with ICl:
H2(g)+ICl(g)→HI(g)+HCl(g)HI(g)+ICl(g)→I2(g)+HCl(g)

Part A

Write the balanced equation for the overall reaction.

Express your answer as a chemical equation. Identify all of the phases in your answer.