A reddish brown colored element $X$ on heating in air, becomes a black colored compound $Y$ . The compound $X$ and $Y$ are :

C u, C u O

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

P b, P b O

No worries! We‘ve got your back. Try BYJU‘S free classes today!

F e, F e_{2} O_{3}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C r, C r_{2} O_{3}

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is D $C u, C u O$
$X$ is copper $(C u)$ and the black-coloured compound formed is copper oxide $(C u O)$ . The equation of the reaction involved on heating copper in given below.
$2 C u + O_{2} \to 2 C u O$ .

Suggest Corrections

Similar questions

^{'} X^{'}

^{'} X^{'}

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

K C l + c o n c . H_{2} S O_{4} + K_{2} C r_{2} O_{7} Δ - \to (X) N a O H - --- \to (Y)

(X)

(Y)

(X)

(Y)

Join BYJU'S Learning Program