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NTA Abhyas NEET2020ChemistryIonic EquilibriumPractice

A buffer solution can be prepared from a mixture of 1 . Sodium acetate and acetic acid in water 2 . Excess sodium acetate and hydrochloric acid in water 3 . Ammonia and ammonium chloride in water 4 . Ammonia and sodium hydroxide in water.

Options

  1. A1, 3, 4
  2. B2, 3, 4
  3. C1, 2, 4
  4. D1, 2, 3

Correct answer

D. 1, 2, 3

Step-by-step solution

In all the 1, 2, 3 buffer solution can be prepared. In choice 2, when C H 3 C O O N a reacts with HCl it forms C H 3 C O O H + N a C l .

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