VSEPR theory and shapes of simple moleculesMedium

Hybridization and Dipole Moment Properties

Which of the following statement is true with respect to H₂O, NH₃ and CH₄?
A. The central atoms of all the molecules are sp³ hybridized.
B. The H–O–H, H–N–H and H–C–H angles in the above molecules are 104.5º, 107.5º and 109.5º respectively.
C. The increasing order of dipole moment is
CH₄ < NH₃ < H₂O.
D. Both H₂O and NH₃ are Lewis acids and CH₄ is a Lewis base
E. A solution of NH₃ in H₂O is basic. In this solution NH₃ and H₂O act as Lowry-Bronsted acid and base respectively.
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