If the Kb values of ammonia, methylamine and ethylamine are x, y and z respectively, identify the correct relation between x, y and z from the following.

If the Kb values of ammonia, methylamine and ethylamine are x, y and z

1.	If the Kb values of ammonia, methylamine and ethylamine are x, y and z respectively, identify the correct relation between x, y and z from the following.
A.	x > y
B.	y < z
C.	x > z
D.	x > y > z
Answer» C.