Which of the following is used in the preparation of chlorine

Which of the following is used in the preparation of chlorine

Options

(a) Only MnO₂
(b) Both MnO₂ and KMnO₄
(c) Only KMnO₄
(d) Either MnO₂ or KMnO₄

Correct Answer:

Both MnO₂ and KMnO₄

Explanation:

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