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11th Standard English Medium Chemistry Subject Chemical bonding Creative 1 Mark Questions with Solution Part - I

11th Standard

    Reg.No. :
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Chemistry

Time : 00:30:00 Hrs
Total Marks : 5
    5 x 1 = 5
  1. Which of the following is a polar molecule?

    (a)

    BF3

    (b)

    SiF4

    (c)

    SF4

    (d)

    XeF4

  2. Identify the pair of species that possess same bond order.

    (a)

    \(O_{ 2 }^{ 2- }\), B2

    (b)

    NO, CO

    (c)

    N2,O2

    (d)

    He2, H2

  3. In the formation of ethylene molecule, the carbon atom makes use of___________ hybridisation.

    (a)

    sp

    (b)

    Sp2

    (c)

    sp3

    (d)

    dsp2

  4. Statement I: N2, CO and CN- are having same bond order.
    Statement II : Isoelectronic species always have same bond order.

    (a)

    Both statement I and II are true and statement II explains statement I.

    (b)

    Both statement I and II are true but statement I does not explain statement II.

    (c)

    Statement I is true, but statement II is false

    (d)

    Both-statement I and II are false

  5. Statement I : Bond angle of BF3 and NF3 are different
    Statement II : Both the molecules are having different shapes.

    (a)

    Both statement I and II are true and statement II explains statement I. 

    (b)

    Both statement I and II are true but statement I does not explain statement II.

    (c)

    Statement I is true, but statement II is false

    (d)

    Both-statement I and II are false

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