A hydrogen chloride gas reacted with oxygen gas to yield water and chlorine gas. The mole ratio of the hydrogen chloride gas to water is

  • A 1:3
  • B 2:1
  • C 3:1
  • D 4:1
waec 2022chemistry

The correct answer is B. 2:1

4HCl + O\(_{2}\) -- 2Cl\(_{2}\) + 2H\(_{2}\)O

4:2 = 4/2

2:1

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