What does n stand for in Huckel Rule?

[monkeyMD]

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How do you know what n is? Do you just plug in any number? So since Benzene has 6pi electrons, we just assume n=1 and say it fits the rule?

 

[vickpick]

N is any integer

 

[romeosterp]

you're supposed to set the number of pi electrons equal to that equation

so for benzene, it would be 4n+2=6, which comes out to n=1
if it comes out as a whole number, then it could be aromatic if it satisfies all the other rules as well

 

[monkeyMD]

Got it.
Thanks!