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

  

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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 -77ºC and contain solid HNO3. 3H2O.

(c) Type II clouds are formed at about -85ºC and contain some ice.

(d) A tight whirlpool of wind called Polar Vortex is formed which surrounds Antarctica.

1 Answer
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Correct answer: (a) PSCs do not react with chlorine nitrate and HCl.

Explanation:

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

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