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Amines
Question
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Explain the following general order of basicity in aqueous solution:
R3N ,R2NH , RNH2
What will be the basic strength order of these amines in gas phase?

Answer

In the gas phase there is no solvation effect, only the number of R's and their inductive effect determines the basicity.
More the number of R's, more the basicity. The basicity order will be their,
R3N > R2NH > RNH2

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