Question on Oxoacids

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Jacqueline Lee
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Joined: Fri Sep 25, 2015 3:00 am

Question on Oxoacids

Postby Jacqueline Lee » Wed Nov 18, 2015 6:59 pm

So in the course reader it says that oxoacids lose H+ more readily if the resulting anion can be stabilized by electron withdrawing atoms.
I know from lecture that hypochlorous acid is stronger than hypoiodous acid because chlorine is more electron negative compared to iodone, but I dont' understand exactly why.
Can someone elaborate this?

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Re: Question on Oxoacids

Postby Chem_Mod » Wed Nov 18, 2015 11:54 pm

An acid is more likely to dissociate if its conjugate base is stable. What needs to be stabilized on the conjugate base is a negative charge. If this negative charge can be dispersed more evenly through the molecule via electronegative atoms, then the conjugate base will be stabilized.

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