Question

Among the following, the number of halide(s) inert to hydrolysis is _____.
(a) $B{F}_3$
(b) $SiC{l}_4$
(c) $PC{l}_5$
(d) $S{F}_6$

Answer 1

$S{F}_6$ is inert to hydrolysis due to the presence of sterically protected sulphur atom by six fluorine atoms which does not permit the reactions like hydrolysis to take place.