Question

Sulphur exhibits valencies of $2,4$ and $6$ , whereas oxygen has a valency of $2$ due to

• A. being less electronegative than $S$
• B. presence of $d$-orbitals in $S$
• C. $S$ is bigger atom
• D. $S$ has higher ionisation potential

Answer 1

Answer: (B)

Sulphur exhibits valencies of $2,4$ and $6$, whereas oxygen has a valency of $2$ because presence of $d$-orbital in sulphur.