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Chemistry-

Which of the following is a heterogeneous catalysis?

Chemistry-General

  1. S O subscript 2 plus 1 half O subscript 2 not stretchy ⟶ with V subscript 2 O subscript 5 on top S O subscript 3
  2. 2 C O plus O subscript 2 not stretchy ⟶ with N O on top C O subscript 2
  3. S O subscript 2 plus 1 half O subscript 2 not stretchy ⟶ with N O subscript 2 on top S O subscript 3
  4. 2 C subscript 2 H subscript 5 O H not stretchy ⟶ with C o n c H subscript 2 S O subscript 4 on top C subscript 2 H subscript 5 O C subscript 2 H subscript 5 plus H subscript 2 O

    Answer:The correct answer is: S O subscript 2 plus 1 half O subscript 2 not stretchy ⟶ with V subscript 2 O subscript 5 on top S O subscript 3

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