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Topic: Lewis acids  (Read 1684 times)

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Offline Nervozni postar

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Lewis acids
« on: May 11, 2017, 12:53:31 AM »
Why is BCl3 stronger lewis acid than AlCl3?I think that this is because B  have 2p orbital which more  have great tendency for electron pair ,aluminium have 3p.
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Offline bubblegumpi

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Re: Lewis acids
« Reply #1 on: May 15, 2017, 08:08:23 AM »
Quote from: Nervozni postar on May 11, 2017, 12:53:31 AM
Why is BCl3 stronger lewis acid than AlCl3?I think that this is because B  have 2p orbital which more  have great tendency for electron pair ,aluminium have 3p.

I thought it was determined by the electronegativity difference in the B and CL, where Al and Cl are closer together. I could be wrong I don't know what they are off the top of my head.
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