(a) Sulphur melts form a clear mobile liquid at `199^@ C` but on further heating to
Channel: Doubtnut
Date: 2020-07-26

(a) Sulphur melts form a clear mobile liquid at `199^@ C` but on further heating to `180^@ C`, it becomes viscous. Why ?  (b) `SOCl_2` can act as a weak Lewis acid as well as a weak Lewis base. Explain.