Which of the following statements about polar stratospheric clouds (PSCs) is not correct?

Question

Which of the following statements about polar stratospheric clouds (PSCs) is not correct? (A) Type I clouds are formed at about -77° C and contain solid HNO 3 ⋅ 3 H 2 O (B) Type II clouds are formed at about -95° C and contain some ice (C) A tight whirlpool of wind called Polar Vortex is formed which surrounds Antarctica (D) PSCs do not react with chlorine nitrate and HCl

Tardigrade Admin · Accepted Answer

PSCs react with chlorine nitrate and HCl to give HOCl and Cl 2 respectively.

Q. Which of the following statements about polar stratospheric clouds (PSCs) is not correct?

Type I clouds are formed at about $- 7 7^{\circ} C$ and contain solid $H N O_{3} \cdot 3 H_{2} O$

Type II clouds are formed at about $- 9 5^{\circ} C$ and contain some ice

A tight whirlpool of wind called Polar Vortex is formed which surrounds Antarctica

PSCs do not react with chlorine nitrate and HCl

PSCs react with chlorine nitrate and $H Cl$ to give $H OCl$ and $C l_{2}$ respectively.

Q. Which of the following statements about polar stratospheric clouds (PSCs) is not correct?

Type I clouds are formed at about −77∘C and contain solid HNO3​⋅3H2​O

Type II clouds are formed at about −95∘C and contain some ice

A tight whirlpool of wind called Polar Vortex is formed which surrounds Antarctica

PSCs do not react with chlorine nitrate and HCl

PSCs react with chlorine nitrate and HCl to give HOCl and Cl2​ respectively.

Type I clouds are formed at about $- 7 7^{\circ} C$ and contain solid $H N O_{3} \cdot 3 H_{2} O$

Type II clouds are formed at about $- 9 5^{\circ} C$ and contain some ice

PSCs react with chlorine nitrate and $H Cl$ to give $H OCl$ and $C l_{2}$ respectively.