Strength of bonds

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Jessica Esparza 2H
Posts: 130
Joined: Wed Sep 18, 2019 12:15 am

Strength of bonds

Postby Jessica Esparza 2H » Wed Nov 20, 2019 1:40 pm

Which pair of atoms are most tightly bound, HO- or HS-, can anyone help me figuring out the answer?

Abhi Vempati 2H
Posts: 104
Joined: Fri Aug 09, 2019 12:17 am

Re: Strength of bonds

Postby Abhi Vempati 2H » Wed Nov 20, 2019 1:46 pm

HO- is more tightly bound because the oxygen has a smaller atomic radius, so the nuclear forces of attraction are much stronger and pull the electrons more tightly. The high electronegativity of oxygen also leads to this conclusion.

Dan M -3E
Posts: 101
Joined: Wed Sep 18, 2019 12:19 am

Re: Strength of bonds

Postby Dan M -3E » Sun Nov 24, 2019 8:15 pm

There is also a bigger electronegativity difference in the HO bond, which means it is has more ionic character and is therefore stronger.

Kaitlynn Tran 3F
Posts: 54
Joined: Wed Sep 18, 2019 12:20 am

Re: Strength of bonds

Postby Kaitlynn Tran 3F » Thu Dec 05, 2019 11:44 pm

OH- has a hydrogen bond, which is stronger than the bond of HS-


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