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Hydrolysis of Halogenoalkanes

I'm doing an experiment to investigate the difference in reaction times between 1-clorobutane, 1-bromobutane and 1-iodobutane, using AgNO3.

In my notes I've got written down the 2 things to consider, but now I'm writing it up, I can't remember one of them :frown:

The one I know is the bond energy, and that it takes more energy to break a bond with Cl than I and that this is the key factor.

Can someone please tell me the other thing? (by the look of the diagram I drew weeks ago I think it has something to do with the carbon being attacked with a negative ion)

And help understanding this would be greatly appreciated.

Thanks
Reply 1
Cl > Br > I in electronegativity

so C-Cl > C-Br > C-I in polarity

the more polar the bond, the more attractive the C is to nucleophiles. e.g. H2O.

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