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Anonymous
Anonymous asked in Science & MathematicsChemistry · 1 decade ago

what causes water molicules to have a bent shape according to the VSEPR theory???

a) repulsive forces between specific electrons

b)the unusual location of the free electrons

c)interaction between the fixed orbitals of the unshared pairs of oxygen

d) ionic attraction and repulsion

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  • Anonymous
    1 decade ago
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    I won't give you the answer but i wud completely explain the cocncept behind your question and then you should be able to answer the question all by yourself.The explanation is as follows:

    a water molecule has an oxygen atom attached to two hydrogen atoms. The bent shape is bcoz of the fact that the 2 lone pairs on oxygen(out of the 6 valence electrons that an atom of oxygen have two electrons are used to form the two bonds and so 4 electrons or 2 lone pairs are left) exert repulsive force on the bond pairs of oxygen hydrogen bond and this repulsive force is more stronger than the repulsive force between those of the bond pairs of hydrogen-oxygen bond(you must have read the lone pair-bond pair repulsion>bond pair-bond pair repulsion).So,due to this repulsive force between l.p.-b.p. the shape of water molecule is bent.

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