• # question_answer Which of the following statements about polar stratosphere clouds (PSCs) is not correct? A)  PSCs do not react with chlorine nitrate and HCL  B)  Type I clouds are formed at about $-\,77{}^\circ C$ and contain solid $HN{{O}_{3}}.3{{H}_{2}}O$C)  Type II clouds are formed at about $-\,85{}^\circ C$and contain some iceD)  A tight whirlpool of wind called Polar Vortex is formed which surrounds Antarctica

PSCs react with chlorine nitrate and HCl to give HOCl and $C{{l}_{2}}$.