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Equilibrium Tes...

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  • Question 1
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    An acidic buffer solution has [HA]=1.0M[HA]=1.0\,M and [NaA]=1.0M[NaA]=1.0M. To (10+x)mL(10+x)mL of this buffer solution 9mL9\,mL of 1.0MHCl1.0\,M\,HCl is added so that pHpH changes by one unit. The value of x is

  • Question 2
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    Which of the following combinations will make a buffer solution? 
    (i) CH3COONa (2mol)+HCl (1mol)CH_3COONa\ (2 mol) + HCl\ (1 mol)
    (ii) CH3COOH (2mol)+NaOH (1mol)CH_3COOH\ (2 mol) + NaOH\ (1 mol)
    (iii)CH3COOH (1mol)+CH3COONa (1mol) CH_3COOH\ (1 mol) + CH_3COONa\ (1 mol)

  • Question 3
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    pHpH of following solution is not affected by dilution:

  • Question 4
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    Which may be added to one litre water to act as a buffer.

  • Question 5
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    In which of the following reaction the concentration of the product is higher than concentration of reactant at equilibrium?

  • Question 6
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    If Qc=(2x)2(ax)2{Q_c} = \cfrac{{{{\left( {2x} \right)}^2}}}{{{{\left( {a - x} \right)}^2}}} and Kc=2x2ax2{K_c} = \cfrac{{2{x^2}}}{{a - {x^2}}}, the affect of the volume on the equilibrium:

  • Question 7
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    N2(g)+3H2(g)  2NH3(g)N_{2}(g)+3H_{2}(g) \rightleftharpoons  2NH_{3}(g) 


    In the reaction given above, the addition of small amount of an inert gas at constant pressure will shift the equilibrium towards which side of 

  • Question 8
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    Which of the following mixture can form buffer solution ?

  • Question 9
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    If pH of a saturated solution of Mg(OH)2Mg(OH)_2 is 12.
    Find its KspK_{sp}

  • Question 10
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    Which of the following will not function as buffer solution?

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