Question:
Given below are two statements :
Statement I : Colourless cupric metaborate is reduced to cuprous metaborate in a luminous flame.
Statement II : Cuprous metaborate is obtained by heating boric anhydride and copper sulphate in a non-luminous flame. In the light of the above statements, choose the most appropriate answer from the options given below.
Correct Option: , 2
Solution:
(i) Blue cupric metaborate is reduced to colourless
cuprous metaborate in a luminous flame
(ii) Cupric metaborate is obtained by heating boric anhydride and copper sulphate in a non luminous flame.