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Rita Chen 1B
Posts: 112
Joined: Sat Jul 20, 2019 12:15 am


Postby Rita Chen 1B » Sat Dec 07, 2019 3:34 pm

How would ew determine that HN(CH2Ch2NH2)2 is polydentate? Do we need to draw it out? If so, how do you know how ot draw it?

Rory Simpson 2F
Posts: 106
Joined: Fri Aug 09, 2019 12:17 am

Re: Polydentate

Postby Rory Simpson 2F » Sat Dec 07, 2019 3:46 pm

If you're drawing it out, the nitrogen with one H bonded together would be central and bonded to two carbons (you can pretty much figure out the order of the chain based on the order of the formula, especially if its written out at NH2CH2CH2NHCH2CH2NH2). The formal charge would be zero for everything if each carbon has 4 bonds and each nitrogen has 3 bonds and a lone pair. You can tell that it's a polydentate because of the lone pairs on each of the nitrogen atoms which can be used to form coordinate covalent bonds.

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