20 What is the base-conjugate acid pair when a strong acid is added to methylamine, CH3NH2?

base: CH3NH-; conjugate acid: CH3NH2


base: CH3NH3+; conjugate acid: CH3NH2


base: CH3NH2; conjugate acid: CH3NH3+


base: CH3NH2; conjugate acid: CH3NH-

Respuesta :

  The base  conjugate   acid pair  when strong acid is added  to  methylamine  CH3NH2   is

base CH3NH2; conjugate  acid: CH3NH3 +

                 Explanation

When   a base CH3CH2   accept   proton  it  form  its  conjugate  acid  which known as methyl  ammonium  ion. Therefore conjugate  acid  of CH3CH2  is CH3NH3+  ion

For   example  when CH3CH2  react with  HCl

CH3CH2  +HCl 
 CH3CH3+   +   Cl-