Question

A is a reddish brown metal,which combines with O2 at at <1370K gives B,a black a coloured compound. At a temperature >1370K,A gives C which is red in colour. find A,B,and C with reaction

Answer 1

Answer:

Reddish brown metal (A) is copper. (ii) (A) reacts with O2 at bleow 1370 K gives Copper (II) oxide (B), which is black in colour.