VibraXX
Live Quiz Arena
🎁 1 Free Round Daily
⚡ Enter Arena
HomeCategoriesScienceQuestion
Question
Science

Which consequence results when excessive heat energy causes catalyst poisoning?

A)Decreased reaction rate
B)Increased product selectivity
C)Enhanced catalyst surface area
D)Improved catalyst dispersion

💡 Explanation

High temperatures cause catalyst poisoning via sintering--decreasing surface area and active sites--because the activation energy for sintering is exceeded; therefore the reaction rate decreases, rather than altering selectivity or improving catalyst properties.

🏆 Up to £1,000 monthly prize pool

Ready for the live challenge? Join the next global round now.
*Terms apply. Skill-based competition.

⚡ Enter Arena

Related Questions

Browse Science