Question

Oxygen cannot exhibit tetravaleney and
hexavaleney like sulphur. This is because
1) Oxygen has two unpaired electrons
2) Oxygen can form double bond
3) Oxygen lacks valence d-orbitals
4) Oxygen has only 2 electrons in valence
shell​

Answer 1

$\huge\underline\mathfrak\purple{Answer}$

Answer:

Oxygen cannot exhibit tetravaleney and hexavaleney like sulphur. This is because Oxygen lacks valence d-orbitals . It cannot expand its valency like sulphur due to this reason .

option 3.

Thanks!