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AP EAMCET202522 May 2025Morning ShiftChemistryp Block Elements (Group 15, 16, 17 & 18)Actual

Which of the following is not correct ?

Options

  1. APotassium permanganate on heating gives potassium manganate and manganese dioxide only
  2. BPhosphine is used in smoke screens
  3. CBleaching action of chlorine is due to oxidation
  4. DNoble gases have very low boiling points

Correct answer

A. Potassium permanganate on heating gives potassium manganate and manganese dioxide only

Step-by-step solution

NO SOLUTION

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