Tuesday, October 12, 2021

Carbon and its Compounds | Class 10 | Activity 4.5 with Solution

Carbon and its Compounds | Activities in Text Book with Solution

Activity 4.5

Take about 3 mL of ethanol in a test tube and warm it gently in a water bath.

Add a 5% solution of alkaline potassium permanganate drop by drop to this solution.

Does the colour of potassium permanganate persist when it is added initially?

✅ Answer
  • The purple colour of potassium permanganate disappears initially.

Why does the colour of potassium permanganate not disappear when excess is added?

✅ Answer
  • Because all the alcohol gets consumed and the reaction stops.

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