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11th Standard English Medium Chemistry Subject Chemical bonding Book Back 2 Mark Questions with Solution Part - II Question Bank Software Jun-08 , 2021

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11th Standard English Medium Chemistry Subject Chemical bonding Book Back 2 Mark Questions with Solution Part - II

11th Standard English Medium Chemistry Subject Chemical bonding Book Back 2 Mark Questions with Solution Part - II

11th Standard

    Reg.No. :
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Chemistry

Time : 00:30:00 Hrs
Total Marks : 10

    Part I

    5 x 2 = 10

  1. In CH4, NH3 and H2O, the central atom undergoes sp3 hybridisation - yet their bond angles are different. why ?

  2. Draw the M.O diagram for oxygen molecule calculate its bond order and show that O2 is paramagnetic.

  3. What do you understand by Linear combination of atomic orbitals in MO theory.

  4. What is dipole moment ?

  5. Draw the Lewis structures for the following species.
    i) NO3–
    ii) SO42–
    iii) HNO3
    iv) O3

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