1(xiv)
In the molecule of water, oxygen atom has:
- (a)One shared pair of electrons.
- (b)Three shared pairs of electrons.
- (c)Two lone pairs of electrons.
- (d)One lone pair of electrons
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Two lone pairs of electrons
Reason — Water contains two hydrogen atoms and one oxygen atom. The hydrogen atom [1] has one electron in it's valence shell while the oxygen atom [2, 6] has 6 electrons in it's valence shell. Two hydrogen atom share one electron each and two unshared pairs of electrons are left as lone pairs as shown in the diagram below :
