What is the oxidation number of chromium in K 2 CrO 4 ?

CHEMISTRY
WAEC 2007

What is the oxidation number of chromium in K2CrO4?

  • A. +1
  • B. +2
  • C. +4
  • D. +6

Correct Answer: D. +6

PreviousNext
Back to WAEC 2007 Questions
Post an Explanation Or Report an Error
If you see any wrong question or answer, please leave a comment below and we'll take a look. If you doubt why the selected answer is correct or need additional more details? Please drop a comment or Contact us directly. Your email address will not be published. Required fields are marked *
Add Math
Don't want to keep filling in name and email whenever you make a contribution? Register or login to make contributing easier.
Login to comment.