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← JEE Main 2022 · 26 Jun · Shift 1
ChemistrySingle correct+4 / -1Question 72 of 90

JEE Main 2022 · 26 Jun · Shift 1, Chemistry question 72

Polar stratospheric clouds facilitate the formation of :

Choose one option
Answer and worked solution

Official answer: B

On polar stratospheric clouds chlorine nitrate reacts with water: ClONO2+H2O→HOCl+HNO3\mathrm{ClONO_2+H_2O\rightarrow HOCl+HNO_3}. HOCl is then photolysed to Cl atoms that destroy ozone.

(B)

Topics:Atmospheric pollution
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