Conversion of yellow phosphorus to red phosphorous is done in retorts
at 250-450°C in the
(A) Presence of an inert atmosphere
(B) Presence of a reducing atmosphere
(C) Absence of air
(D) Presence of an oxidising atmosphere
at 250-450°C in the
(A) Presence of an inert atmosphere
(B) Presence of a reducing atmosphere
(C) Absence of air
(D) Presence of an oxidising atmosphere