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Chemistry Test ...

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  • Question 1
    4 / -1

    Given below are two statements :

    Statement (I) : A spectral line will be observed for a 2px → 2py transition.

    Statement (II) : 2px and 2py are degenerate orbitals.

    In the light of the above statements, choose the correct answer from the options given below :

  • Question 2
    4 / -1

    Chlorine undergoes disproportionation in alkaline medium as shown below:

    a CI2(g) + b OH-(aq) → c CIO-(aq) + d CI-(aq) + e H2O(l)

    The values of a, b, c and d in a balanced redox reaction are respectively:

  • Question 3
    4 / -1

    Consider the following elements In, Tl, Al, Pb, Sn and Ge.

    The most stable oxidation states of elements with highest and lowest first ionisation enthalpies, respectively, are

  • Question 4
    4 / -1

    Among the following:

    The set which represents aromatic species is

  • Question 5
    4 / -1

    The dipole moments of CCl4, CHCl3 and CH4 are in the order:

  • Question 6
    4 / -1

    The mechanism involved in the preparation of glycol from 1,2-dihaloethane using aqueous Na2CO3 is

  • Question 7
    4 / -1

    Let us consider an endothermic reaction which is non-spontaneous at the freezing point of water. However, the reaction is spontaneous at boiling point of water. Choose the correct option.

  • Question 8
    4 / -1

    Choose the correct answer from the options given below :

  • Question 9
    4 / -1

    The Molarity (M) of an aqueous solution containing 5.85 g of NaCl in 500 mL water is :

    (Given : Molar Mass Na : 23 and Cl : 35.5 gmol–1)

  • Question 10
    4 / -1

    The correct statement amongst the following is :

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