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Match List-I with List-II.
Column I
- A. $2SO_2(g)+O_2(g)\rightarrow2SO_3(g)$
- B. $HOCl(g)\xrightarrow{h\nu}\dot{O}H+\dot{C}l$
- C. $CaCO_3+H_2SO_4\rightarrow CaSO_4+H_2O+CO_2$
- D. $NO_2(g)\xrightarrow{h\nu}NO(g)+O(g)$
Column II
- I. Acid rain
- II. Smog
- III. Ozone depletion
- IV. Tropospheric pollution
Correct answer: A → IV, B → III, C → I, D → II
Detailed Solution
$2SO_2(g) + O_2(g) \rightarrow 2SO_3(g)$ – tropospheric pollution
$HOCl(g) \xrightarrow{h\nu} \dot{O}H + \dot{C}l$ – ozone depletion
$CaCO_3 + H_2SO_4 \rightarrow CaSO_4 + H_2O + CO_2$ – acid rain
$NO_2(g) \xrightarrow{h\nu} NO(g) + O(g)$ – smog
Correct match: A-IV, B-III, C-I, D-II.