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Chemical Bondin...

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  • Question 1
    4 / -1

    The correct order of decreasing bond lengths of CO, CO2 and C032- is

  • Question 2
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    The correct sequence of bond length in single bond,double bond and triple bond of C is

  • Question 3
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    Which of the following willbe the strongest bond?

  • Question 4
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    Arrange the following in increasing order of covalent character - NaCl, MgCl2, AICI3

  • Question 5
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    Match the bond enthalpies given in column II with the molecules given in column I and mark the appropriate choice.

  • Question 6
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    The given structures I, II and III of carbonate ion represent

  • Question 7
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    Which of the following molecules does not show any resonating structures?

  • Question 8
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    The canonical or resonating structures of a molecule required to describe the structure of a molecule follow which of the following rules?

  • Question 9
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    Arrange the following in order of increasing dipole moment: H2O, H2S,BF3

  • Question 10
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    Which of the following is non-polar?

  • Question 11
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    Although F is more electronegative than H, the resultant dipole moment of NH3 is much more than that of NF3. It can be explained as

  • Question 12
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    In a diatomic molecule the bond distance is 1X10-8 cm. Its dipole moment is 1.2 D. What is the fractional electronic charge on each atom?

  • Question 13
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    Which of the following are arranged in the decreasing order of dipole moment?

  • Question 14
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    In water molecule, the two O—H bonds are oriented at an angle of 104.5°. In BF3, the tliree B—F bonds are oriented at an angle of 120°. In BeF2, the two Be—F bonds are oriented at an angle of 180°. Which of the following will have highest dipole moment?

  • Question 15
    4 / -1

    What is the correct dipole moment of NH3 and NF3 respectively?

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