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Chemistry Test 125
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Chemistry Test 125
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  • Question 1/10
    4 / -1

    Calculate the correct increasing order of average oxidation number of sulphur in : 

    S8,S2O32–, S2O7–2, S4O6–2, SO3–2 :-

    Solutions

     

  • Question 2/10
    4 / -1

    Directions For Questions

    The van der Waals parameters for gases W, X, Y and Z are :

    Gas a (atm L2  mol-2) b (L mol-1)
    W 4.0 0.027
    X 8.0 0.030
    Y 6.0 0.032
    Z 12.0 0.027

    ...view full instructions

    Which one of these gases has the highest critical temperature ?

    Solutions

     

  • Question 3/10
    4 / -1

    What is ionic percentage of XY, where E.N. value of X = 2.1 and Y = 3.0 :-

    Solutions

    % I.C. = 16 (ΔEN) + 3.5 (ΔEN)2

     

  • Question 4/10
    4 / -1

    The geometry of XeO2F2 is :–

    Solutions

     

  • Question 5/10
    4 / -1

    Select the incorrect statement in following :-

  • Question 6/10
    4 / -1

    Correct dipole moment order is :-

  • Question 7/10
    4 / -1

    Which of the following have maximum thermal stability ?

    Solutions

    Large part 

     

  • Question 8/10
    4 / -1

    Select the correct order of 2nd I.P. of C,N,O,F :-

    Solutions

    C+     N+     O+      F+

    2p1   2p2    2p3    2p4

    IF2  ⇒ C+ < N+ < F+ < O+

     

  • Question 9/10
    4 / -1

    Charcoal is obtained by :

  • Question 10/10
    4 / -1

    Which of the following elements may show an effective isotopic effect ?

    Solutions

    Only for Hydrogen (due to large difference in mass)

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