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Accelerate JEE 2020: Ionic Equilibrium Class 4 (14.08.2019)
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Question 1
An aqueous solution of 1M NaCl and 1M HCl is:
Question 2
Addition of sodium hydroxide solution to a weak acid (HA) results in a buffer of pH 6. If ionisation constant of HA is 10-5, the ratio of salt to acid concentration in the buffer solution will be:
Question 3
50 mL of 0.2 M ammonia solution is treated with 25 mL of 0.2 M HCl. If pKb of ammonia solution is 4.75, the pH of the mixture will be:
Question 4
The pKa of a weak acid (HA) is 4.5. The pOH of an aqueous buffered solution of HA in which 50% of the acid is ionized is
Question 5
Which of the following salts is the most basic in aqueous solution ?
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Aug 8JEE & BITSAT
