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Q.

Which of the following is used in the preparation of chlorine ?

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a

Only MnO2

b

Only KMnO4

c

Both MnO2  or KMnO4

d

Either MnO2  or KMnO4

answer is D.

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Detailed Solution

MnO2  or KMnO4  with conc HCl give Cl2    MnO2+4 HCl→Cl2+ MnCl2+2 H2O   2 KMnO4+16 HCl→2 MnCl2+2 KCl+8H2O+5 Cl2
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