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a brief review of lewis acids and bases. boron: group 3a boron hydrides: b x h y simplest is...

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A brief review of Lewis Acids and Bases

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Page 1: A brief review of Lewis Acids and Bases. Boron: Group 3A Boron Hydrides: B x H y Simplest is “diborane” B 2 H 6 Draw its Lewis structure Also called “boranes”

A brief review of Lewis Acids and Bases

Page 2: A brief review of Lewis Acids and Bases. Boron: Group 3A Boron Hydrides: B x H y Simplest is “diborane” B 2 H 6 Draw its Lewis structure Also called “boranes”

Boron: Group 3A

Boron Hydrides: BxHy

Simplest is “diborane” B2H6

Draw its Lewis structure

Also called “boranes”

Page 3: A brief review of Lewis Acids and Bases. Boron: Group 3A Boron Hydrides: B x H y Simplest is “diborane” B 2 H 6 Draw its Lewis structure Also called “boranes”

Bonding in diborane

Reactions of diborane

Page 4: A brief review of Lewis Acids and Bases. Boron: Group 3A Boron Hydrides: B x H y Simplest is “diborane” B 2 H 6 Draw its Lewis structure Also called “boranes”

Other boron hydrides

Page 5: A brief review of Lewis Acids and Bases. Boron: Group 3A Boron Hydrides: B x H y Simplest is “diborane” B 2 H 6 Draw its Lewis structure Also called “boranes”

Carboranes

Page 6: A brief review of Lewis Acids and Bases. Boron: Group 3A Boron Hydrides: B x H y Simplest is “diborane” B 2 H 6 Draw its Lewis structure Also called “boranes”

Carboranes

Page 7: A brief review of Lewis Acids and Bases. Boron: Group 3A Boron Hydrides: B x H y Simplest is “diborane” B 2 H 6 Draw its Lewis structure Also called “boranes”

Metalloboranes and carboranes

Page 8: A brief review of Lewis Acids and Bases. Boron: Group 3A Boron Hydrides: B x H y Simplest is “diborane” B 2 H 6 Draw its Lewis structure Also called “boranes”

Metallacarboranes

Page 9: A brief review of Lewis Acids and Bases. Boron: Group 3A Boron Hydrides: B x H y Simplest is “diborane” B 2 H 6 Draw its Lewis structure Also called “boranes”

Boron vs. Aluminum Halides

Boron trichloride Aluminum trichloride

Predict the structure of BeCl2.

Page 10: A brief review of Lewis Acids and Bases. Boron: Group 3A Boron Hydrides: B x H y Simplest is “diborane” B 2 H 6 Draw its Lewis structure Also called “boranes”

Some Cool Hydroxides: Amphoterism

LiOH

Mg(OH)2

Al(OH)3

Page 11: A brief review of Lewis Acids and Bases. Boron: Group 3A Boron Hydrides: B x H y Simplest is “diborane” B 2 H 6 Draw its Lewis structure Also called “boranes”

Some Cool Hydroxides: Amphoterism

B(OH)3

Explain reason for difference between Al(OH)3 and B(OH)3

Page 12: A brief review of Lewis Acids and Bases. Boron: Group 3A Boron Hydrides: B x H y Simplest is “diborane” B 2 H 6 Draw its Lewis structure Also called “boranes”

Boron Oxides

Page 13: A brief review of Lewis Acids and Bases. Boron: Group 3A Boron Hydrides: B x H y Simplest is “diborane” B 2 H 6 Draw its Lewis structure Also called “boranes”

Bleaches!

Page 14: A brief review of Lewis Acids and Bases. Boron: Group 3A Boron Hydrides: B x H y Simplest is “diborane” B 2 H 6 Draw its Lewis structure Also called “boranes”

Boron Nitride

What is the Lewis structure similar to?

Page 15: A brief review of Lewis Acids and Bases. Boron: Group 3A Boron Hydrides: B x H y Simplest is “diborane” B 2 H 6 Draw its Lewis structure Also called “boranes”

Borazine

Page 16: A brief review of Lewis Acids and Bases. Boron: Group 3A Boron Hydrides: B x H y Simplest is “diborane” B 2 H 6 Draw its Lewis structure Also called “boranes”

Metal Borides: MxBy

Page 17: A brief review of Lewis Acids and Bases. Boron: Group 3A Boron Hydrides: B x H y Simplest is “diborane” B 2 H 6 Draw its Lewis structure Also called “boranes”

Metal Borides: MxBy


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