2Cr2O7 paper acidified with dilute H2SO4 turns green when exposed toCarbon dioxideSulphur trioxideHydrogen sulphideSulphur dioxide
Question
Solution 1
The compound 2Cr2O7 is actually Potassium dichromate (K2Cr2O7). When this compound is acidified with dilute H2SO4, it forms an orange solution.
When this solution is exposed to Sulphur Dioxide (SO2), it turns green. This is because the Sulphur Dioxide reduces the orange Dichromate ions (Cr2O7^2-) Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study prob
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
Knowee AI StudyGPT is a powerful AI-powered study tool designed to help you to solve study problem.
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