Like ammonia , nitrogen atom of amines is trivalent and carries an unshared pair of eletrons Thus nitrogen orbitals in amines are `sp^(3)` hybridised and the geometry is tetrahedral but the shape is trigonal pyramidal Due to the presence of unshared pair of electrons , the angle `C-N-E` (wher `E` C or H) is less than `1095^(@)` for instance it is `108^(@)` in case of trimethylamine .
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Explore conceptually related problems
The odour of amine is ____________.
Methyl amine is
Isopropyl amine is
A secondary amine is
(a) Why have primary amines higher boiling point than tertiary amines? (b) How can you find out whether a given amine is a primary amine? Write the chemical reaction involved in the test you perform.
Knowledge Check
The odour of amine is ____________.
A
fruity
B
fishy
C
pungent
D
garlic like
The odour of amine is
A
odourless
B
pungent
C
fishy
D
garlic like
Assertion (A) : Nitrogen orbitals in amines are sp^(3) hybridised and the geometry of amines is pyramidal. Reason (R) : Amines may be regarded as derivations of ammonia.
A
(a) Both Assertion (A) and Reason (R) are correct statements, and Reason (R) is the correct explanation of the Asssertion (A).
B
Both Assertion (A) and Reason (R) are correct statements, but Reason (R) is not the correct explanation of the Assertion (A).
C
Assertion (A) is correct, but Reason (R) is incorrect statement.
D
Assertion (A) is incorrect, but Reason (R) is correct statement.
