Strength of Acids

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rachelle1K
Posts: 68
Joined: Sat Sep 07, 2019 12:16 am

Strength of Acids

Postby rachelle1K » Thu Dec 05, 2019 9:06 pm

So on homework problem 6C 19 part c it asks for thee stronger acid between HBrO2 and HClO2. Can someone explain to me why the answer is HClO2? I thought that because bromium's electronegativity is lower is would be more willing to give up H and therefore be a stronger acid.

Kevin Antony 2B
Posts: 58
Joined: Sat Sep 07, 2019 12:16 am

Re: Strength of Acids

Postby Kevin Antony 2B » Thu Dec 05, 2019 9:33 pm

Both anions would have resonance, but Chlorine's higher electronegativity makes the anion more stable. As a result HClO2 is the stronger acid.

DLee_1L
Posts: 65
Joined: Sat Aug 17, 2019 12:17 am

Re: Strength of Acids

Postby DLee_1L » Sun Dec 08, 2019 5:19 pm

Since Cl has a higher electronegativity, it will pull the electron pair it shares with the hydrogen closer to it, so the H will more easily dislocate and be donated to another molecule


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