Advertisements
Advertisements
Question
Assertion (A): An aqueous solution of ammonium acetate can act as a buffer.
Reason (R): Acetic acid is a weak acid and \[\ce{NH4OH}\] is a weak base.
Options
Both A and R are true and R is correct explanation of A.
Both A and R are true but R is not correct explanation of A.
A is false but R is true.
Both A and R are false.
Solution
A is false but R is true.
Explanation:
Salt of weak acid and weak base can form buffer solution.
APPEARS IN
RELATED QUESTIONS
Answer the following in one sentence :
Write one property of a buffer solution.
In biochemical system, pH of blood in our body is maintained due to the following buffer:
Name the buffer which is used to maintained pH of 8 to 10 for precipitation of cations III A group in qualitative analysis.
Define buffer solution.
A buffer solution contains 0.3 mol dm–3 NH4OH (Kb = 1.8 × 10–5) and 0.4 mol dm–3 NH4Cl. Calculate pOH of the solution.
Which will make basic buffer?
The hydrogen ion concentration of a buffer solution consisting of a weak acid and its salts is given by ____________.
On the basis of the equation \[\ce{pH}\] = – log \[\ce{[H+]}\], the \[\ce{pH}\] of 10–8 mol dm–3 solution of \[\ce{HCl}\] should be 8. However, it is observed to be less than 7.0. Explain the reason.
Which of the following combinations will constitute a buffer solution?
Calculate pKa of HF if Ka= 7.2 x 10-4.