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NEET levelSingle correct optionDifficulty 1 of 3cb003

How many lone pairs are present on the central atom of $H X_{2} O$ ?

A $0$
B $1$
C $2$
D $3$

Answer: C

Oxygen has 6 valence electrons; two are used in the two O-H bonds, leaving 4 electrons, i.e. 2 lone pairs.

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