1.

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. In which of the following option, covalent bond is having maximum s% character ?

Answer»

S-H bond in `H_(2)S`
P-H bond in `PH_(3)`
N-H bond in `NH_(3)`
All have equal s% character

Answer :C


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