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Which of the following compounds exhibits hydrogen bond formation due to the presence of lone pairs on highly electronegative atoms?

Option: 1

\mathrm{CH_4}


Option: 2

\mathrm{NH_3}


Option: 3

\mathrm{H_2O}


Option: 4

\mathrm{B_2H_6}


Answers (1)

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A water molecule consists of two hydrogen atoms bonded to an oxygen atom, and its overall structure is bent. This is because the oxygen atom, in addition to forming bonds with the hydrogen atoms, also carries two pairs of unshared electrons. All of the electron pairs—shared and unshared—repel each other.

 

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Ajit Kumar Dubey

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