MCAT Organic Chemistry Question 46: Answer and Explanation

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Test Information

Question: 46

1. Which of the following are Lewis bases?

I. Ag+

II. H2O

III. NH3

  • A. I only
  • B. I and II only
  • C. II and III only
  • D. I, II, and III

Correct Answer: C

Explanation:

NH3 and H2O are Lewis bases because nitrogen and oxygen can donate lone pairs. Ag+ is a Lewis acid because it can accept a lone pair into an unoccupied orbital.

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