NEETChemistryp Block Elements (Group 15, 16, 17 & 18)
What is the catalyst used to decompose hydrogen peroxide (H 2 O 2 ) into water and dioxygen (O 2 )?
Options
- AFinely divided metals
- BManganese dioxide
- CHydrochloric acid
- DSulfuric acid
Correct answer
B. Manganese dioxide
Step-by-step solution
The paragraph indicates that hydrogen peroxide is readily decomposed into water and dioxygen by catalysts such as finely divided metals and manganese dioxide.