Chemistrymedium · Past Paper
Which of the following solutions will have the highest pH?
A0.1 M HCl
B0.1 M NaOH
C0.1 M CH3COOH
D0.1 M NH4OH
✓ Correct Answer: B — 0.1 M NaOH
NaOH is a strong base, which produces the highest concentration of OH- and thus the highest pH among the choices.
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