vi. The conjugate base of [Zn(H2O)4]2⊕ is

Choose the most correct answer: 

vi. The conjugate base of [Zn(H2O)4]2⊕ is
a. [Zn(H2O)4]2 NH3
b. [Zn(H2O)3]2
c. [Zn(H2O)3OH]⊕
d. [Zn(H2O)H]3⊕

Answer:-

The conjugate base of [Zn(H2O)4]2⊕ is  [Zn(H2O)3OH]⊕

Chapter 3 Ionic Equilibira – Exercises (page 61)