The colour of CuCr2O7 solution in water is green because (a) Cr2O7 2- ions are green The colour of CuCr2O7 solution in water is green because (a) Cr2O7 2- ions are green December 7, 2020 Category: Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) , Facebook Messenger WhatsApp Share this:TwitterFacebook Related