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Solution


Q.

The correct order in aqueous medium of basic strength in case of methyl substituted amines is:             [2023]
 
1 NH3>Me3N>MeNH2>Me2NH  
2 Me2NH>Me3N>MeNH2>NH3  
3 Me2NH>MeNH2>Me3N>NH3  
4 Me3N>Me2NH>MeNH2>NH3  

Ans.

(3)

The observed basic strength order in aqueous medium is

Me2NH>MeNH2>Me3N>NH3