Join ExamsbookAnswer : 2. "3' > 2' > 1'> NH3"
Order of basicity of amines in gaseous state?5
Q: Order of basicity of amines in gaseous state?
- 12'> 1'> 3' > NH3false
- 23' > 2' > 1'> NH3true
- 31' > 2' > 3'> NH3false
- 42'> 3'> 1' > NH3false
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Answer : 2. "3' > 2' > 1'> NH3"
Explanation :
Answer: B) 3' > 2' > 1'> NH3 Explanation: The order of basicity in ammonia is different in gaseous phases vs. aqueous phases due to hydrogen bonding. So in gaseous phases it's the well known: 3' > 2' > 1'> NH3. Just so we're on the same page, this is due to the inductive effect of electron donating alkyl groups--they destabilize the lone pair on nitrogen atom, making nitrogen more basic. But in aqueous phase, the order is slightly different: 2'> 1'> 3' > NH3.