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10g of pyrolusite on reaction with conc....

10g of pyrolusite on reaction with conc. HCl liberated 0.1 equivalent of `Cl_(2)`. Percentage purity of pyrolusite sample-

A

`87.0%`

B

`43.5%`

C

`21.75%`

D

`100%`

Text Solution

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The correct Answer is:
B
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