Collision frequency is greater for what category of catalysts, which also tend to be more sensitive to temperature and more 'expensive'?

• Correct Answer: homogeneous
• contiguous
• heterogeneous
• analogous

Explanation: Heterogeneous catalysts are easier to recover. Collision frequency is greater for homogeneous catalysts. Homogeneous catalysts are often more sensitive to temperature. Homogeneous catalysts are often more expensive. Saylor URL: http://www. saylor. org/books.

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