Drawing Double Bonds

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Labiba Sardar 2A
Posts: 103
Joined: Sat Jul 20, 2019 12:15 am

Drawing Double Bonds

Postby Labiba Sardar 2A » Tue Nov 05, 2019 9:54 am

When you have to draw double bonds by using taking away the lone pairs on certain atoms, how do you know which atoms' lone pairs you should take away to form these double bonds?

Maddie
Posts: 50
Joined: Wed Sep 11, 2019 12:17 am

Re: Drawing Double Bonds

Postby Maddie » Tue Nov 05, 2019 10:37 am

I believe you just have to continue testing it to see which one results in the smallest formal charge

Brynne Burrows 3K
Posts: 52
Joined: Thu Jul 25, 2019 12:16 am

Re: Drawing Double Bonds

Postby Brynne Burrows 3K » Tue Nov 05, 2019 10:44 am

First make sure the number of lone pairs + bonds on the atom matches the number of valence electrons or is very close so that it results in a low formal charge. Then check if you are maintaining the octet rule on the atoms to know which lone pairs must be taken away.


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