Explain order of Kb in aquas solution of Triethylamine, Diethylamine and Ethylamine.

(Et)2NH     >     (Et)3N     >      (Et)NH3             {Et = Ethyl group (-CH2CH3)} Answer:- -> (Et)2NH is more basic than (Et)3N because of less steric hindrance and more hydration energy of (Et)2NH. -> (Et)3N is more basic than (Et)NH3...

Why Dimethylamine (2' amonia) is more basic than Trimethylamine (3' amonia) ?

Answer:- -> Less steric hindrance in (CH3)2NH than (CH3)3N. -> More hydration energy of (CH3)2NH than (CH3)3N. Example:    Order of basic strength: (CH3)2-NH           >           (CH3)-NH2            >       ...

Which of the following have maximum PKa value ?

Options: a. CH3-CF-COOH                                                 b.  F-CH2-CH2-COOH c. CH3-CHBr-COOH                                             d. ...

Basic strength depends on

*Basic strength depends on:-                                                   -> Inductive effect                               ...

Acidic strength is directly proportional ot stability of conjugate base.

Note:  *Acidic strength  stability of conjugate base i.e. More stable conjugate base more acidic character of corresponding acid. Example:- 1.  H3C-CH3         <     H2C=CH2       <      HC≡CH -> H3C-C-H2...

Acidic strength is directly proportional to -I effect and inversion-ally proportional to +I effect.

Example: a. H3C-CH2-COOH      >       (CH3)2-CH-COOH       >       (CH3)3-C-COOH                               ...

Negetive charge on more EN atom is more stable and Positive charge on less EN atom is more stable

Normal 0 false false false EN-US X-NONE X-NONE ...