When sulpher di oxide is passed through acidic solution of potassium dichromate, then chromium sulphate is formed . Change in valency of chromium is

Options :
  1. +4 to +2
  2. +5 to +3
  3. +6 to +3
  4. +7 to +2
Answer and Explanation :-

Answer: Option 3


Sorry there is no explanation for this answer. Please help others by posting your response below

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

Previous Question : The most common oxidation state of an element is -2. The number of electrons present in its outermos...

Next Question : A solution of sulphur dioxide in water reacts with sulphuric acid precipitating sulphur. Here sulphu...

Click here for online test on Electrochemistry


 (Getemail alerts when others member replies)

No kind of social system can make you more happier and secure than your own money.
-Amit Kalantri