Question

SF6 exist but SH6 doesn't exist why​

Answer 1

Explanation:

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Answer 2

Explanation:

In both these compound, sulphur is

expected to show oxidation state of +6.

This can happen in case two electrons

from filled (3s and 3p) orbitals are

promoted to vacant 3d orbitals. Only

atoms of high electronegativity such as

fluorine (4.0) can cause the promotion of

electrons while the same is not possible

with hydrogen with comparatively less

electronegativity (2.1). Thus, SF6 can exist

while SH6 cannot.