Statement-I: Concentrated H₂SO_4.react with KI to produce Iodine
Statement-II : Formation of ozone from oxygen is non spontaneous process.

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Statement – I and statement – II are false

Statement – I is false, statement – II is true

Statement – I is true, statement – II is false

Statement – I and statement – II are true

answer is A.

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Detailed Solution

Concentrated H₂SO₄ oxidizes KI to I₂ ;

${SO}_{4}^{- 2} + I^{-} \overset{H^{+}}{\to} I_{2} + {SO}_{2};$

$3 O_{2} (g) ⇌ 2 O_{3} (g), ∆ H = + ve; ∆ S = - ve; Thus ∆ G always positive . The process is non - spontaneous .$

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