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Lewis Base: Definition & Examples

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question 1 of 3

Which of the following correctly defines a Lewis base?

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1. Why is ammonia (NH3) considered a Lewis base?

2. In the reaction shown below, which substance is the Lewis base?

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About This Quiz & Worksheet

The Lewis base is an important concept in the study of chemical science, and this quiz/worksheet will help you test your understanding of its characteristics and components.

Quiz & Worksheet Goals

In these assessments you'll be tested on the following:

  • The definition of a Lewis base
  • Why ammonia falls into this category
  • Substances that can be considered Lewis bases
  • The characteristics of Lewis bases

Skills Practiced

This quiz and worksheet allow students to test the following skills:

  • Defining key concepts - ensure that you can accurately define Lewis bases
  • Distinguishing differences - ensure you can differentiate between substances that are and are not Lewis bases
  • Information recall - access the knowledge you've gained regarding the traits of Lewis bases

Additional Learning

To learn more about this topic, review the accompanying lesson called Lewis Base: Definition & Examples. This lesson covers the following objectives:

  • Understand what constitutes a Lewis base
  • Define nucleophile, amines, phosphine, and anions
  • Learn how to recognize a Lewis base in chemical reactions through provided examples
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