Corrosive Properties

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Alex Uy 2D
Posts: 23
Joined: Sat Jul 09, 2016 3:00 am

Corrosive Properties

Postby Alex Uy 2D » Tue Nov 29, 2016 11:18 pm

What makes strong acids and bases corrosive?

Aileen Nguyen 3N
Posts: 26
Joined: Wed Sep 21, 2016 2:56 pm
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Re: Corrosive Properties

Postby Aileen Nguyen 3N » Thu Dec 01, 2016 7:56 pm

Acids tend to accept electrons, and bases tend to donate electrons.

Acids contain H+ ions. They tend to grab electrons and form hydrogen gas and since metals don't have a tight grip on their electrons. They give them up and the solid metal gradually disappears. The reaction is

Bases contain OH- ions. They can act to donate electrons but they don't corrode as many metals, because metals tend to lose rather than accept electrons. However, strong bases still do corrode some metals.

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