Which one of the following statements is true?
CH 3NH 2 + H 2O --> CH 3NH 3+ + OH −
methylamine, water
methylammonium ion, hydroxide ion
A. CH3NH2 is the conjugate base of H2O.
B. CH3NH3+ is the conjugate base of CH3NH2.
C. H2O is the conjugate acid of OH−.
D. OH− is the conjugate acid of H2O.
E. There are no conjugate acid-base pairs.
Answer: H2O is the conjugate acid of OH-