Which compound is virtually non-basic?

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(D) The basicity of amines depends on the availability of the lone pair of electrons on the nitrogen atom. In $N(CF_3)_3$,the three $-CF_3$ groups are

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$N(CF_3)_3$

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(D) The basicity of amines depends on the availability of the lone pair of electrons on the nitrogen atom. In $N(CF_3)_3$,the three $-CF_3$ groups are highly electron-withdrawing due to the strong inductive effect ($-I$ effect) of the fluorine atoms. This strong electron-withdrawing effect pulls the lone pair of electrons on the nitrogen atom towards the carbon atoms,making them unavailable for donation to a proton. As a result,$N(CF_3)_3$ is virtually non-basic.

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