Resonance Structures

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salvadorramos3k
Posts: 72
Joined: Wed Sep 18, 2019 12:18 am

Resonance Structures

Postby salvadorramos3k » Sat Nov 16, 2019 5:57 pm

In the instance of carbon monoxide (CO), how is it that it has a triple bond connecting the two and a lone pair on each side when carbon only has 4 valence electrons and oxygen 6???? Are we able to just move electrons around like that or is there another reason? I know we learned about coordinate covalent bonds, but how are we supposed to know when they apply? Or do they always apply whenever convenient?

Aman Sankineni 2L
Posts: 103
Joined: Fri Aug 30, 2019 12:17 am

Re: Resonance Structures

Postby Aman Sankineni 2L » Sat Nov 16, 2019 6:00 pm

CO has 10 valence electrons in total. A triple bond would be 6 electrons and a lone pair on both the C and the O would add another 4, making 10 total while also fulfilling the octet rule for both.


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