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Which of the following is used to prepar...

Which of the following is used to prepare `Cl_(2)` gas at room temperature from concentrated HCl ?

A

`MnO_(2)`

B

`H_(2)S`

C

`KMnO_(4)`

D

`Cr_(2)O_(3)`

Text Solution

Verified by Experts

The correct Answer is:
C
`2MnO_(4)^(-)+16H^(+)+10Cl^(-) to 2Mn^(2+) +5Cl_(2)+8H_2O`
`KMnO_4` is used to prepare ` Cl_(2)` at room temperature from conc. HCl
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