JEE Main 202124 Feb, Morning shiftChemistryHardd- and f-Block Elements158× since 2002
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.