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Classify each of the following species as a Lewis acid or a Lewis base.

a. {eq}NH_3 {/eq}

b. {eq}OH^- {/eq}

c. {eq}H^+ {/eq}

d. {eq}BCl_3 {/eq}

Question:

Classify each of the following species as a Lewis acid or a Lewis base.

a. {eq}NH_3 {/eq}

b. {eq}OH^- {/eq}

c. {eq}H^+ {/eq}

d. {eq}BCl_3 {/eq}

Lewis Theory of Acids and Bases:

Lewis Theory defines an acid as an electron-accepting substance. This capacity of the substance to accept electron is due to the presence of an electron-poor region in the substance.

On the other hand, it defines a base as an electron-donating substance. When it is rich in electron, this substance can donate its electrons to form a new bond with a substance.

Answer and Explanation: 1

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Let us look at each choice.

a. The nitrogen in ammonia contains a lone pair. This lone pair can be donated by ammonia to form a bond with an acid....

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Lewis Acid: Definition, Theory & Examples

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Chapter 16 / Lesson 19
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What is Lewis acid and base? Read the steps on how to identify Lewis acids/bases here. Learn more about some examples and advantages of Lewis acid-base theory.


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