Question

The valency of sulphur in $S{F}_6$ is :

• A. $-1$
• B. $-2$
• C. $+4$
• D. $+6$

Answer 1

Answer: (D)

$+6$

The valence (or valency) of an element is a measure of its combining power with other atoms when it forms chemical compounds or molecules.
$S{F}_6$
here $S$ have valency of $+6$ as it combines with $6F^{-1}$ ions.