Question 17

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

Open in App

Solution

The brown coloured element ‘X ‘is copper. On heating in air it forms copper oxide (CuO), which is black in colour. The reaction involved is-

$2 Cu(s) + O_{2} (g) \to 2 CuO(s)$

Suggest Corrections

Similar questions

Q. Question 17

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

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

Q. A shiny brown coloured element

^{'} X^{'}

on heating in air becomes black in colour. Name the element

^{'} X^{'}

and the black coloured compound formed.

A shiny brown coloured element 'X' on heating in air becomes black in colour. Name the element 'X' , the black coloured compound formed and the reaction. [3 MARKS]

Join BYJU'S Learning Program

Explore more

Combination Reaction

Standard X Chemistry

Join BYJU'S Learning Program

Question 17 A shiny brown-colored element ‘X’ on heating in air becomes black in colour. Name the element ‘X’ and the black coloured compound formed.

The brown coloured element ‘X ‘is copper. On heating in air it forms copper oxide (CuO), which is black in colour. The reaction involved is- 2Cu(s)+O2(g)→2CuO(s)

Question 17

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

The brown coloured element ‘X ‘is copper. On heating in air it forms copper oxide (CuO), which is black in colour. The reaction involved is-

$2 Cu(s) + O_{2} (g) \to 2 CuO(s)$