What is the hybridization of the nitrogen atom in methylamine, CH_3NH_2? What is

Question

What is the hybridization of the nitrogen atom in methylamine, CH_3NH_2? What is the geometry at the nitrogen atom? Draw a structure that clearly shows this geometry Arrange following amines in order of increasing basicity (CH_3CH_2)_2 NH NH_3 CH_3CH_2NH_2 Indicate which amines in part (b) are primary 1 degree, secondary (2 degree) or tertiary Name each amine in (b) above. List intermolecular attractive forces that contribute the boiling point (#1 strongest, #4 weakest). Which amine with molecular C_3HON would have highest boiling point, (CH_3)_3 N or CH_3CH_2CH_2NH_2? Explain

Explanation / Answer

A) CH3-NH2 HYBRIDIZATION === SP3

NITROGEN GEOMETRY == TRIGONAL PYRAMIDAL

B) MORE THE ALkYL GROUP ATTACHED TO NITROGEN MORE IS ITS BASICITY

CH3CH2)2NH>CH3CH2NH2>NH3

C) CH3CH2NH2 PRIMARY

CH3CH2)2NH SECONDARY

D) ETHYL AMINE CH3CH2NH2

N,N DIETHYL AMINE CH3CH2)2NH

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