1. N₂ + O₂ ⇋ 2NO
  2. PCl3 + Cl₂ ⇋ PCl5
  3. N + 3H₂ ⇋ 2NH₃
  4. 2SO₂ + O₂ ⇋ 2SO₃
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1 Answers

Answer: Option 1

Let'

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