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Chemistry-

General

Easy

Question

Which of the following is a heterogeneous catalysis?

$2 C_{2} H_{5} O H \overset{C o n c H_{2} S O_{4}}{⟶} C_{2} H_{5} O C_{2} H_{5} + H_{2} O$
$2 C O + O_{2} \overset{N O}{⟶} C O_{2}$
$S O_{2} + \frac{1}{2} O_{2} \overset{N O_{2}}{⟶} S O_{3}$
$S O_{2} + \frac{1}{2} O_{2} \overset{V_{2} O_{5}}{⟶} S O_{3}$

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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