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An acidic buffer solution can be prepared by mixing the solution of

  By GK Planet Team      
Q. An acidic buffer solution can be prepared by mixing the solution of
  1. acetate and acetic acid
  2. ammonium chloride and ammonium hydroxide
  3. sulphuric acid and sodium sulphate
  4. sodium chloride and sodium hydroxide
Answer: Acetate and Acetic Acid
An acidic buffer solution can be prepared by mixing the solution of acetate and Acetic Acid.
What is a buffer solution?

A buffer solution is one that resists changes in pH when small quantities of an acid or an alkali are added to it.

Buffer solutions may be of two types: acidic and basic.

An acidic buffer solution is simply one which has a pH less than 7. Acidic buffer solutions are commonly made from a weak acid and one of its salts - often a sodium salt. An aqueous solution of an equal concentration of acetic acid and sodium acetate has a pH of 4.74.

An alkaline buffer solution has a pH greater than 7. Alkaline buffer solutions are commonly made from a weak base and one of its salts.The aqueous solution of an equal concentration of ammonium hydroxide and ammonium chloride has a pH of 9.25.

If you add acid to the solution, the concentration of H+ ions will increase; to keep equilibrium a small number of ions will be combined (forming salt and reducing the concentration of H+ ion in the solution). If you add base the concentration of H+ ion will reduce (by consumption or combining) and so a small amount of salt will break into ions and maintain the pH.
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Thanks for reading An acidic buffer solution can be prepared by mixing the solution of

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