Question

An element x on exposure to moist air turns reddish brown and the new compound why is formed the substance x and y are

Answer 1

the element x is iron (Fe) which gets rusted on exposure to moist air and forms a reddish brown layer of Fe2o3 (rust).therefore element y is Fe2o3.

4Fe + 3O2 + xH2O ➡2Fe2O3.xH2O

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Answer 2

Answer:

Here, X is (Fe) and Y is (Fe2O3)

Explanation:

Fe + H2O + O2 ------> Fe2O3