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Chemistry Test 200

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Chemistry Test 200
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Weekly Quiz Competition
  • Question 1
    4 / -1

    Which of the following is incorrectly matched?

    Solution

     

  • Question 2
    4 / -1

    Arrange the given intermediates in decreasing order of their hydride donation tendency :

    Solution

     

  • Question 3
    4 / -1

    The following cell at 298K,two weak acids (HA) and(HB) with pka (HA) = 5 and pka (HB) = 7 of equal molarity have been used as shown.

    Pt|H2(g, 1atm) | HA(1M) || HB(1M)|H2(g,1atm)|Pt

    Thus, emf of the cell is -

    Solution

     

  • Question 4
    4 / -1

    Which of the following addition reaction will result into a complex salt?

    Solution

     

     

  • Question 5
    4 / -1

    Identify compounds which give precipitate with Tollen's reagent.

    Solution

     

  • Question 6
    4 / -1

    The standard half-cell reduction potential of Fe3+ (aq) | Fe is – 0.036 V and that of OH– | Fe(OH)3(s) | Fe is – 0.756 V. The value of log Ksp for Fe(OH)3 at 298 K is

    Solution

    ΔG° = - 3 FE°

    – 3F (– 0.716) = – 3F(0.036) – RT ln Ksp + 3F (– 0.756) = + 3F(0.036) + RT ln Ksp On solving

    log Ksp = – 36.52

     

     

  • Question 7
    4 / -1

    Which of the following co-ordination entity is chiral?

    Solution

     

  • Question 8
    4 / -1

    In which compound the products obtained upon prolonged heating can not be separated by fractional distillation.

    Solution

     

  • Question 9
    4 / -1

    Which of the following is correct relation?

  • Question 10
    4 / -1

    Two complexes [Co(NH3)5Cl]SO4 and [Co(NH3)5SO4]Cl can't be distinguished by -

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