When H O is added to an acidified solution of K Cr O7 then O

Last updated: 7/2/2023

When H O is added to an acidified solution of K Cr O7 then O O O solution turns green due to formation of Cr O3 solution turns yellow due to formation of K CrO a blue coloured compound CrO 02 2 solution gives green ppt of Cr OH 3