how to identify?

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connie 2C
Posts: 92
Joined: Thu Jul 11, 2019 12:17 am

how to identify?

Postby connie 2C » Mon Dec 02, 2019 11:19 pm

how do you identify amphoteric compounds? are there steps to take to identify them an easy way or?

Ryan 1K
Posts: 75
Joined: Fri Aug 09, 2019 12:15 am

Re: how to identify?

Postby Ryan 1K » Mon Dec 02, 2019 11:29 pm

Compounds containing multiple hydrogen atoms are amphoteric since they can donate and accept hydrogens. For compounds that don't contain multiple hydrogens, we know that certain elements form amphoteric compounds. These elements include copper, zinc, tin, lead, aluminium, and beryllium, and they form a diagonal band that closely resembles the diagonal band of metalloids on the periodic table.

Katherine Chhen 3I
Posts: 53
Joined: Fri Sep 28, 2018 12:15 am

Re: how to identify?

Postby Katherine Chhen 3I » Fri Dec 06, 2019 1:19 pm

Would any other elements make the compound amphoteric too?

805097738
Posts: 149
Joined: Wed Sep 18, 2019 12:20 am

Re: how to identify?

Postby 805097738 » Fri Dec 06, 2019 6:44 pm

Ryan Chew 1C wrote:Compounds containing multiple hydrogen atoms are amphoteric since they can donate and accept hydrogens. For compounds that don't contain multiple hydrogens, we know that certain elements form amphoteric compounds. These elements include copper, zinc, tin, lead, aluminium, and beryllium, and they form a diagonal band that closely resembles the diagonal band of metalloids on the periodic table.


So ALL compounds with multiple hydrogen atoms are amphoteric?

Ryan 1K
Posts: 75
Joined: Fri Aug 09, 2019 12:15 am

Re: how to identify?

Postby Ryan 1K » Sat Dec 07, 2019 12:57 am

Yes, amphiprotic compounds fall in the category of amphoteric compounds. All amphiprotic compounds (I don't know about exceptions) are amphoteric, but not all amphoteric compounds are amphiprotic.
Last edited by Ryan 1K on Sat Dec 07, 2019 1:01 am, edited 1 time in total.

Nikki Razal 1L
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Joined: Fri Aug 30, 2019 12:17 am
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Re: how to identify?

Postby Nikki Razal 1L » Sat Dec 07, 2019 12:59 am

amphiprotic= means that a molecule has the ability to either donate and accept H+
amphoteric= means that a molecule can either act as an acid or a base


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