Ask Questions, Get Answers

Want to ask us a question? Click here
Browse Questions
Home  >>  JEEMAIN and AIPMT  >>  Chemistry  >>  Equilibrium
0 votes

$pH$ at which an acidic indicator with $K_{in} = 1 \times 10^{-5}$ changes colour when the indicator is $1 \times 10^{-3}$ M is

(a) 8

(b) 4

(c) 3

(d) 5

Can you answer this question?

1 Answer

0 votes
Answer: 5
The $pH$ at which an acidic indicator changes colour is equal to its $pK_{in}$ and is independent of its concentration
$pH = pK_{in} (acidic) = - log 10^{-5} = 5$


answered Nov 29, 2013 by mosymeow_1

Related questions

Ask Question
student study plans
JEE MAIN, CBSE, NEET Mobile and Tablet App
The ultimate mobile app to help you crack your examinations
Get the Android App