If the central atom is of third row or below this in the periodic table, then lone pair will occupy a stereochemically inactive s-orbital and bonding will be through almost pure p-orbitals and bond an

Question

If the central atom is of third row or below this in the periodic table, then 
lone pair will occupy a stereochemically inactive s-orbital and bonding will be 
through almost pure p-orbitals and bond angles are nearly 90°, if the 
substituent's electronegativity value is $\le$ 2.5.

Prashant Kotian · Accepted Answer

Correct answer: D. Step 1: Determine the geometry of water (H2O). It is sp3 hybridized with two bonding pairs and two lone pairs, resulting in a bent shape. Step 2: Because of its asymmetrical bent geometry, the individual polar O-H bond dipoles do not cancel each other out, which gives the molecule a net non-zero dipole moment (mu > 0). Step 3: Therefore, the statement that the molecule has mu = 0 is incorrect, which corresponds to option (a).

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