The decomposition of may be checked by adding a small quantity of phosphoric acid. It is an example — Surface Chemistry Chemistry Question
Question
The decomposition of $H_2O_2$ may be checked by adding a small quantity of phosphoric acid. It is an example of
Answer: B
💡 Solution & Explanation
Phosphoric acid acts as a negative catalyst (inhibitor) by retarding the spontaneous decomposition of hydrogen peroxide.
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