Chloride gas is prepared in the laboratory by A. Adding concentrated tetraoxosulphate (VI) acid to...

Chloride gas is prepared in the laboratory by

A. Adding concentrated tetraoxosulphate (VI) acid to solid sodium chloride

B. Oxidizing concentrated hydrochloric acid using potassium heptaoxodichromate (VI) crystals

C. Adding concentrated hydrochloric acid to solid manganese (IV) oxide

D. Dropping concentrated hydrochloric acid onto potassium tetraoxomanganate (VII) crystals?

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Answers (1)

Chinny
2 months ago
Answer is c.
Chlorine gas can be prepared in the laboratory by the reaction of hydrochloric acid with manganese(IV) oxide: 4HCl(aq)+MnO2(s) ---> MnCl2(aq)+2H2O(l)+Cl2(g)
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