Question

Platinised asbestos helps in the formation of $\mathrm { SO } _ { 3 }$ form $\mathrm { SO } _ { 2 }$ and . But, if even a small amount of is present the platinised asbestos does not help in the formation of $\mathrm { SO } _ { 3 }$. acts here as.

• A. A positive catalyst
• B. A negative catalyst
• C. An autocatalyst
• D. A poison

Answer 1

Answer: (D)

A poison

Answer 2