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The space model which is obtained by joi...

The space model which is obtained by joining the points representing various bonded atoms gives the shape of the molecule. The geometry of the molecule is definite relative arrangement of the bonded atoms in a molecule. The shape and geometry of a molecule is explained by valence shell electron pair repulsion theory given by Gillespie and Nyholm.
Select the correct code for the following repulsion orders, according to VSEPR theory :
(I) lone pair -lone pair `gt` lone pair-bond pair
(II) lone pair-bond pair `gt` bond pair -bond pair
(III) lone pair -lone pair `gt` bond pair-bond pair
(IV) lone pair - bond pair `gt` lone pair-lone pair

A

I,II and III

B

II and IV

C

I,II and IV

D

All

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • The space model which is obtained by joining the points representing various bonded atoms gives the shape of the molecule. The geometry of the molecule is definite relative arrangement of the bonded atoms in a molecule. The shape and geometry of a molecule is explained by valence shell electron pair repulsion theory given by Gillespie and Nyholm. Which is not the electron geometry of covalent molecules ?

    A
    Pentagonal bipyramidal
    B
    Octahedral
    C
    Hexagonal
    D
    Tetrahedral

  • The space model which is obtained by joining the points representing various bonded atoms gives the shape of the molecule. The geometry of the molecule is definite relative arrangement of the bonded atoms in a molecule. The shape and geometry of a molecule is explained by valence shell electron pair repulsion theory given by Gillespie and Nyholm. Which is not the electron geometry of covalent molecules ?

    A
    Pentagonal bipyramidal
    B
    Octahedral
    C
    Hexagonal
    D
    Tetrahedral

  • The space model which is obtained by joining the points representing various bonded atoms gives the shape of the molecule. The geometry of the molecule is definite relative arrangement of the bonded atoms in a molecule. The shape and geometry of a molecule is explained by valence shell electron pair repulsion theory given by Gillespie and Nyholm. Which molecule has both shape and geometry identical ? (I) SnCl_(2) " " (II) NH_(3) " " (III) PCl_(5) " " (IV) SF_(6)

    A
    I, III and IV
    B
    II,III and IV
    C
    III and IV
    D
    All

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    Explain the non linear shape of H_(2)S and non planar shape of PCl_(3) using valence shell electron pair repulsion theory .

    The space model which is obtained by joining the points representing various bonded atoms gives the shape of the molecule. The geometry of the molecule is definite relative arrangement of the bonded atoms in a molecule. The shape and geometry of a molecule is explained by valence shell electron pair repulsion theory given by Gillespie and Nyholm. Which molecule has both shape and geometry identical ? (I) SnCl_(2) " " (II) NH_(3) " " (III) PCl_(5) " " (IV) SF_(6)

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