JEE Main Chemistry question
The pKa of weak acid HA is 4.5. The pOH of an aqueous buffer solution of HA in which 50% of the acid is ionised is:
Answer: (D)
Solution
At 50% ionization pH=pKa=4.5; pOH=14−4.5=9.5.
The pKa of weak acid HA is 4.5. The pOH of an aqueous buffer solution of HA in which 50% of the acid is ionised is:
At 50% ionization pH=pKa=4.5; pOH=14−4.5=9.5.