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Chemistry Test ...

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  • Question 1
    3 / -1

    The radius of hydrogen atom in the ground state is 0.53 Å .The radius of Li2+ ion (atomic number = 3) in a similar state is

  • Question 2
    3 / -1

    g orbital is possible if:

  • Question 3
    3 / -1

    Ionisation energy of oxygen is less than that of nitrogen because

  • Question 4
    3 / -1

    In the reaction4NH3+5O2⟶4NO+6H2O when one mole of ammonia and one mole of oxygen are made to react to completion, then

  • Question 5
    3 / -1

    For radial probability distribution curves, which of the following is/are correct?

  • Question 6
    3 / -1

    A bubble of air is under water at temperature 15°C and the pressure 1.5 bar. If the bubble rises to the surface where the temperature is 25°C and the pressure is 1.0 bar, what will happen to the volume of the bubble ?

  • Question 7
    3 / -1

    Of the given electronic configurations for the elements, which electronic configuration indicates that there will be abnormally high difference in the second and third ionization energy for the element ?

  • Question 8
    3 / -1

    The correct statement(s) for the following addition reactions is(are):

  • Question 9
    3 / -1

    The relationship between standard free energy ∆G0 and equilibrium constant of the reaction is given by

  • Question 10
    3 / -1

    Which of the following compounds will show optical activity?

  • Question 11
    3 / -1

    Which of the following is/are correct statement(s)?

  • Question 12
    3 / -1

    A molecule MX3 is T-shaped. The number of non bonding pairs of electrons in it is

  • Question 13
    3 / -1

    A solution of 200ml of 1M KOH is added to 200 ml of 1M HCl and themixture is well shaken. The rise in temperature T1 is noted. The experiment is repeated by using 100 ml of each solution and increase in temperature T2 is again noted. Which of the following is correct?

  • Question 14
    3 / -1

    The oxidation number of P in Ba(H2PO2)2 is

  • Question 15
    3 / -1

    A molecule having 3 bond pairs and 2 lone pairs will have ?

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