Question

is CH3 NH2 is better Lewis base than ch3cn​

Answer 1

Answer:

CH3NH2 is more basic than CH3CN

Explanation:

In CH3NH2 the hybridisation of N is sp³ while in CH3CN it is sp.

Which makes N more electronegative in CH3CN and thus a weaker Lewis base than CH3NH2.

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Answer 2

CH₃NH₂ is more basic than CH₃CN because of the high negativity of sp hybridized carbon in the latter.

• A lewis base is a compound that can act as an electron donor.
• In CH₃NH₂, the nitrogen atom is attached to an sp³ hybridized carbon atom.
• In CH₃CN, the nitrogen atom is attached to an sp hybridized carbon atom.
• The electronegativity of carbon increases as its s character increases. Thus sp hybridized carbon is more electronegative than sp³ hybridized carbon.
• Due to being attached to a more electronegative atom, the lone pair of electrons on N in CH₃CN is less available for donation.
• Hence, CH₃CN is less basic than CH₃NH₂.