Match List - I with List - II. List-I List-II (a) 2 SO 2 g + O 2 g → 2 SO 3 g (i) Acid rain (b) HOCl g ⟶ hv OH ∙ + Cl ∙ (ii) Smog (c) CaCO 3 + H 2 SO 4 → CaSO 4 + H 2 O + CO 2 (iii) Ozone depletion (d) NO 2 g ⟶ hv NO g + O g (iv) Tropospheric pollution Choose the correct answer from the options given below.

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Match List - I with List - II. List-I List-II (a) 2 SO 2 g + O 2 g → 2 SO 3 g (i) Acid rain (b) HOCl g ⟶ hv OH ∙ + Cl ∙ (ii) Smog (c) CaCO 3 + H 2 SO 4 → CaSO 4 + H 2 O + CO 2 (iii) Ozone depletion (d) NO 2 g ⟶ hv NO g + O g (iv) Tropospheric pollution Choose the correct answer from the options given below., (a)-(i), (b)-(ii), (c)-(iii), (d)-(iv), (a)-(ii), (b)-(iii), (c)-(iv), (d)-(i), (a)-(iv), (b)-(iii), (c)-(i), (d)-(ii), (a)-(iii), (b)-(ii), (c)-(iv), (d)-(i)

MARKS App · Accepted Answer

( a ) 2 SO 2 g + O 2 g → 2 SO 3 g → ( iv ) Tropospheric pollution b HOCl g ⟶ hv OH ∙ + Cl ∙ → ( iii ) Ozone depletion c CaCO 3 + H 2 SO 4 → CaSO 4 + H 2 O + CO 2 → ( i ) Acid rain d NO 2 g ⟶ hv NO g + O g → ( ii ) Smog

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List-I		List-II
(a)	$2 {SO}_{2} (g) + O_{2} (g) \to 2 {SO}_{3} (g)$	(i)	Acid rain
(b)	$HOCl (g) \overset{hv}{⟶} \overset{∙}{OH} + \overset{∙}{Cl}$	(ii)	Smog
(c)	${CaCO}_{3} + H_{2} {SO}_{4} \to {CaSO}_{4} + H_{2} O + {CO}_{2}$	(iii)	Ozone depletion
(d)	${NO}_{2} (g) \overset{hv}{⟶} NO (g) + O (g)$	(iv)	Tropospheric pollution