In the process  (in aq medium), initially there are 2 mole I2 & 2 mole I- . But at equilibrium, due to addition of AgNO3(aq), 1.75 mole yellow ppt is obtained. KC for the process is (Vflask=1 dm3) nearly

# In the process $\large {I_2} + \,{I^ - } \rightleftharpoons \,I_3^ -$ (in aq medium), initially there are 2 mole I2 & 2 mole I- . But at equilibrium, due to addition of AgNO3(aq), 1.75 mole yellow ppt is obtained. KC for the process is (Vflask=1 dm3) nearly

1. A

0.08

2. B

0.02

3. C

0.16

4. D

0.12

Fill Out the Form for Expert Academic Guidance!l

+91

Live ClassesBooksTest SeriesSelf Learning

Verify OTP Code (required)

### Solution:

Initial moles of I2 = 2

Initial moles of I - = 2

Volume of the vessel = 1 litre

Yellow ppt formed by the addition of AgNO3 is AgI

Number moles of AgI precepitated at equilibrium = 1.75

number of moles of I- at equilibrium = 1.75

Number of moles of I- reacted = (2 -1.75) = 0.25

According to stoichiometry

1 mole of I2 reacts with 1 mole of I-

x mole of I2 reacts with 0.25 moles of I-

Similarly moles of

formed due to the reaction of 0.25 moles each of I2 & I- will 0.25

+91

Live ClassesBooksTest SeriesSelf Learning

Verify OTP Code (required)