Reaction step naming

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Marc Farah 3D
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Joined: Wed Sep 21, 2016 2:59 pm

Reaction step naming

Postby Marc Farah 3D » Sat Mar 18, 2017 11:00 pm

Are electrophilic addition reactions always two step?
Does S2N mean the reaction goes from 2 molecules in the reactants to 2 molecules in the products?

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Joined: Wed Sep 21, 2016 2:59 pm

Re: Reaction step naming

Postby feodora_r_3d » Sat Mar 18, 2017 11:25 pm

Yes, electrophilic addition is always two step. For SN2, its basically substitution. The two reactants are usually a reaction between a hydrocarbon with substituent attached to one of its carbon (for example Bromine) and another molecule (example OH). So what it means by substitution is the substituent in the hydrocarbon chain will switch places with the other molecule it is reacting with (which in this example is the OH). So the Bromine and OH exchange places. OH attaches to the carbon, and Br becomes Br- and is not attached to anything.
hope this helps!

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Re: Reaction step naming

Postby Sydniespore » Sat Mar 18, 2017 11:27 pm

SN2 is a one step and Electrophillic addition is two steps.

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Re: Reaction step naming

Postby Cayla_Brooks_1I » Sun Mar 19, 2017 1:28 pm

do we need to be able to write the biproduct in the Sn2 reactions. For example on problem 5 part C. the OH that breaks off is now included in the final answer.

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