Karen's worksheet #12

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005391550
Posts: 103
Joined: Thu Jul 25, 2019 12:15 am

Karen's worksheet #12

Postby 005391550 » Wed Nov 06, 2019 1:16 pm

from most polar to least polar, the answer is MG-O, C-O, B-O, O-O but im confused on why C-O is considered more polar than B-O?

805373590
Posts: 101
Joined: Wed Sep 11, 2019 12:17 am

Re: Karen's worksheet #12

Postby 805373590 » Thu Nov 07, 2019 10:30 am

C O is more polar because of the greater difference in electronegativity

Emily Vainberg 1D
Posts: 102
Joined: Sat Jul 20, 2019 12:15 am

Re: Karen's worksheet #12

Postby Emily Vainberg 1D » Thu Nov 07, 2019 11:16 am

The electronegativity of Oxygen is 3.44
Then compare electronegativity of Oxygen with that of B and C. Carbon has an electronegativity of 2.55 while B is 2.04. Since Carbon is closer to Oxygen in terms of electronegativity, that means it has a more covalent bond that that of Oxygen and Boron.

stephaniekim2K
Posts: 79
Joined: Fri Aug 09, 2019 12:16 am

Re: Karen's worksheet #12

Postby stephaniekim2K » Sun Nov 10, 2019 9:03 pm

There is a greater difference in electronegativity.


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