Question

Decomposition of $H_2{O}_2$ is retarded by :

• A. $H_{3}P{O}_4$
• B. Alcohol
• C. Acetanilide
• D. All

Answer 1

Answer: (D)

Acetanilide, alcohol and $H_{3}P{O}_4$ are negative catalyst and retard decomposition of $H_2{O}_2$ .