Manganese dioxide and copper (II) oxide. ...

ICSE Class 10 Chemistry 2019 Paper

Distinguish between the following pairs of compounds using the reagent given in the bracket.

Question : 52 of 86

Marks: +1, -0

Manganese dioxide and copper (II) oxide. (using concentrated

\mathrm{HCl}

)

Solution:

Conc.

\mathrm{HCl}

with manganese dioxide heated it releases greenish yellow chlorine gas whereas with copper (II) oxide there is no visible reaction.

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