Secondary amine is more basic than primary and tertiary amines in an aqueous solution. Give reason
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Secondary amine is more basic than primary and tertiary amines in an aqueous solution. Give reason
Secondary amine is more basic than primary and tertiary amines in an aqueous solution. Give reason
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solution:
by inductive effect :
basicity order
3° > 2° >1°
but on the basis of hydrogen bonding basicity order :
1° >2° > 3°
But experimentally :
basicity order
2° > 3 ° > 1°
Exception:
but if R group is akyl group such as ( CH3)order of basicity :
2° > 1° > 3°
conclusion:
in aqua solution , 2° amine is more basic than 3° amine due to the combination of inductive effect, solvation effect and steric reasons.
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