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Question: Answered & Verified by Expert
What is the chemical reaction for the preparation of chlorine by heating manganese dioxide with concentrated hydrochloric acid (HCl)?
Chemistryp Block Elements (Group 15, 16, 17 & 18)NEET
Options:
  • A MnO2 + 4HCl → MnCl2 + Cl2 + 2H2O
  • B MnO2 + 4HCl → MnCl4 + Cl2 + 2H2O
  • C MnCl2 + 4HCl → MnO2 + Cl2 + 2H2O
  • D MnCl2 + H2SO4 → MnO2 + 2HCl + H2O
Solution:
2320 Upvotes Verified Answer
The correct answer is: MnO2 + 4HCl → MnCl2 + Cl2 + 2H2O
Chlorine can be prepared by heating manganese dioxide (MnO2) with concentrated hydrochloric acid (HCl) through the following reaction: MnO2 + 4HCl → MnCl2 + Cl2 + 2H2O.

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