SO3 acid or base?

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Kathryn 1F
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Joined: Fri Sep 28, 2018 12:19 am

SO3 acid or base?

Postby Kathryn 1F » Sat Dec 08, 2018 8:34 pm

The textbook says SO3 is an acid (6th edition 12.17), and i understand that the sulfur can accept electrons, but why can't the oxygens donate their lone pairs, making it amphoteric?

Nawaphan Watanasirisuk 3B
Posts: 58
Joined: Tue Nov 28, 2017 3:03 am

Re: SO3 acid or base?

Postby Nawaphan Watanasirisuk 3B » Sat Dec 08, 2018 8:44 pm

I also want to know this as well if anyone knows please explain

Posts: 67
Joined: Tue May 01, 2018 3:00 am

Re: SO3 acid or base?

Postby 904837647 » Sun Dec 09, 2018 2:39 am

SO3 is a non-metal oxide and non-metal oxides are acidic in nature. The aqueous solution of acidic oxides donates protons, therefore SO3 is an acidic oxide

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