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11/10/2021 11:42 am
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I- ions react with iodine in aqueous solution to form I3- ion as
I-(aq) + I2(aq) ⇌ I3- (aq).
When L of solution containing 1 mol of KI and 0.25 mol of I2 was reacted with excess of AgNO3, 0.80 mol of yellow ppt. was obtained. The stability constant of I3- ion is
(a) 0.20
(b) 5.0
(c) 20.0
(d) 0.05
1 Answer
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11/10/2021 11:59 am
Correct answer: (c) 20.0