To an acidified dichromate solution, a pinch of Na 2 O 2 is added and shaken. What is…
Chemistry · JEE Advanced · NTA Exams — d- and f-Block Elements
To an acidified dichromate solution, a pinch of Na2O2 is added and shaken. What is observed?
- Blue colour
- Orange colour changing to green
- Evolution of oxygen
- Bluish-green precipitate
Answer
(A) Blue colour, (B) Orange colour changing to green, (C) Evolution of oxygen
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