Which of the following is used in the preparation of chlorine?
(a) Only MnO2
(b) Only KMnO4
(c) Both MnO2 and KMnO4
(d) Either MnO2 or KMnO4

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1 Answers

 (d) MnO2 or KMnO4 with conc HCl give Cl2 .

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