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Chemical Bondin...

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  • Question 1
    4 / -1

    Which of the following statements is not true regarding molecular orbital theory?

  • Question 2
    4 / -1

    2s and 2p-atomic orbitals combine to give how many molecular orbitals?

  • Question 3
    4 / -1

    The conditions for the combination of atomic orbitals to form molecular orbitals are stated below. Mark the incorrect condition mentioned here.

  • Question 4
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    The electronic configuration of carbon is Is2 2s2 2p2. There are 12 electrons in C2. The correct electronic configuration of C2 molecule is

  • Question 5
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    The increasing order of energies of various molecular orbitals of N2 is given below:
    σls <σ*ls <σ2s <σ*2s <π2px = π2py <σ2pz < π*2px = π*2py<σ*2pz

    The above sequence is not true for the molecule

  • Question 6
    4 / -1

    Which of the following species has unpaired electrons?

  • Question 7
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    What is the order of stability of N2 and its ions?

  • Question 8
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    What will be the bond order of the species with electronic configuration 1s2 2s2 2p5?

  • Question 9
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    Which of the following bond orders is indication of existence of a molecule?

  • Question 10
    4 / -1

    Which of the following pairs will have same bond order?

  • Question 11
    4 / -1

    Bond order of N+2,N-2 and N2 will be

  • Question 12
    4 / -1

    According to molecular orbital theory, which of the following will not exist?

  • Question 13
    4 / -1

    Which of the following facts regarding bond order is not valid?

  • Question 14
    4 / -1

    Which of the following formulae does not show the correct relationship?

  • Question 15
    4 / -1

    Fill in the blanks with the appropriate choice.
    Bond order of N+2  is ___P___  while that of N2 is ___Q___ . Bond order of O+2  is ___R___  while that of O2  is ___S___ . N−N bond distance ___T___ , when N2 changes to N+2  and when O2 changes to O+2 , the O-O bond distance ___U___ .

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