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Q.

Statement-I: Concentrated H2SO4. react with KI to produce IodineStatement-II : Formation of ozone from oxygen is non spontaneous process.

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a

Statement – I and statement – II are true

b

Statement – I and statement – II are false

c

Statement – I is false, statement – II is true

d

Statement – I is true, statement – II is false

answer is A.

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Detailed Solution

Concentrated H2SO4 oxidizes KI to I2 ;SO4-2+I-→H+I2+SO2;3O2g⇌2O3g, ∆H=+ve ; ∆S=-ve ; Thus ∆G always positive. The process is non-spontaneous.
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Statement-I: Concentrated H2SO4. react with KI to produce IodineStatement-II : Formation of ozone from oxygen is non spontaneous process.