1.

Identify the bond between H and F in HF molecule.

Answer»

Solution :lectronic configuration of hydrogen atom is `1_(s)^(1)`.
Valence shell electronic configuration of fluorine atom is `2s^(2)" "2p_(x)^(2)" "2p_(y)^(2)" "2p_(Z)^(1)`
When half iled 1ls orbital of hydrogèn LINEARLY overlaps with a half filled `2p_(z)` orbital of fluorine, a `sigma` COVALENT BOND is formed between hydrogen and fluorine.


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