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Chemical Equili...

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  • Question 1
    4 / -1

    A buffer solution has equal volumes of 0.2 M NH4 OH and 0.02 M NH4Cl. The pKb of the base is 5. The pH is equal to

  • Question 2
    4 / -1

    Assertion (A) The pH of a buffer solution containing equal moles of acetic acid and sodium acetate is 4.8 (pKa of acetic acid is 4.8).
    Reason (R) The ionic product of water at 25°C is 10-4 mo12 L-2. The correct answer is

  • Question 3
    4 / -1

    The compound whose 0.1 M solutions is basic, is

  • Question 4
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    Which of the following reactions will be favoured at low pressure?

  • Question 5
    4 / -1

    For the manufacture of ammonia by Haber’s process, i.e.

  • Question 6
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    The equilibrium constant in a reversible chemical reaction at a given temperature

  • Question 7
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    Which of the following substances on dissolving in water will give a basic solution?

  • Question 8
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    A mixture of a weak acid (say acetic acid) and its salt with a strong base (say sodium acetate) is a buffer solution. Which other pair of substances from the following may have a similar property?

  • Question 9
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    Silver nitrate solution is gradually added to an aqueous solution containing 0.01 M each of chloride, bromide and iodide ions. The correct sequence in which the halides will be precipitated is

  • Question 10
    4 / -1

    Which one of the following is NOT a buffer solution?

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