0

Guest

Courses New

When excess of AgNO3 is treated with KI solution, AgI form a) +ve charged sols b) -ve charged sols c) neutral sol

When excess of AgNO3 is treated with KI solution, AgI form


a) +ve charged sols


b) -ve charged sols


c) neutral sol

Grade:

2 Answers

abhishek ganguly
8 Points
13 years ago

If AgNO3 is added to KI medium then negative charged sol is formed due to adsorption of iodide ions from KI onto the AgI precipitate.

If KI is added to AgNO3 then postive sol is formed due to Ag+ ions in solution which get adsorbed on AgI.

In this case answer should be a)

Kushagra Madhukar
askIITians Faculty 628 Points
3 years ago
Hello Student
The two compounds will first react to form AgI as a product.
Since, AgNO3 is in excess and KI has been added, hence Ag+ ions in solution will be in excess in the solution and get absorbed on AgI, creating positively charged Sols.
AgI + AgNO3 → [AgI]Ag+ + NO3-

Think You Can Provide A Better Answer ?

Other Related Questions on Physical Chemistry

View all Questions »

ASK QUESTION

Get your questions answered by the expert for free

Answer and earn gift vouchers

Win Gift vouchers upto Rs 500/-

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More