A shiny brown coloured element ‘X’ on heating in air becomes black in colour. Name the element ‘X’ and the black coloured compound formed.

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Solution

The shiny brown coloured element ‘X‘ is copper. On heating in air it forms copper oxide, which is black in colour.

$2 Cu + O_{2} \to 2 CuO$

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A shiny brown-colored element ‘X’ on heating in air becomes black in colour. Name the element ‘X’ and the black coloured compound formed.

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A shiny brown coloured element ‘X’ on heating in air becomes black in colour. Name the element ‘X’ and the black coloured compound formed.

The shiny brown coloured element ‘X‘ is copper. On heating in air it forms copper oxide, which is black in colour. 2Cu + O2 →2CuO

The shiny brown coloured element ‘X‘ is copper. On heating in air it forms copper oxide, which is black in colour.

$2 Cu + O_{2} \to 2 CuO$