JEE Advanced 2019JEE Adv 2019 Paper 1, Paper 1ChemistryHardUnclassified (chemistry)The green colour produced in the borax bead test of a chromium(III) salt is due toAOption A. Cr(BO2)3\mathrm{Cr}\left(\mathrm{BO}_{2}\right)_{3}Cr(BO2)3BOption B. Cr2( B4O7)3\mathrm{Cr}_{2}\left(\mathrm{~B}_{4} \mathrm{O}_{7}\right)_{3}Cr2( B4O7)3COption C. Cr2O3\mathrm{Cr}_{2} \mathrm{O}_{3}Cr2O3DOption D. CrB\mathrm{CrB}CrBCheckStep-by-step hintSkip · show solution