Base Strength

[w4nt2baDDS]

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Is there a mistake with this question? If not, why is the answer choice A and not C?

 

[FeralisExtremum]

The lone pair on the Nitrogen atom in answer C is resonance stabilized by the aromatic ring. There's no aromatic stabilization going on in A, so it's a much stronger base.

 

[w4nt2baDDS]

Oh okay, I get it. Without resonance the lone pair is the least stable and thus the most reactive.

That really helped, thanks Feralis!

 

[BYU4you]

Just remember acids need to have most stable and bases least stable