ChemistryEasy158×since 2002Q795The orange colour of K2Cr2O7\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7K2Cr2O7 and purple colour of KMnO4\mathrm{KMnO}_4KMnO4 is due toACharge transfer transition in both.Bd→d\mathrm{d} \rightarrow \mathrm{d}d→d transitions in KMnO4\mathrm{KMnO}_4KMnO4 and charge transfer transitions in K2Cr2O7\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7K2Cr2O7.Cd→d\mathrm{d} \rightarrow \mathrm{d}d→d transitions in bothDd→d\mathrm{d} \rightarrow \mathrm{d}d→d transitions in K2Cr2O7\mathrm{K}_2 \mathrm{Cr}_2 \mathrm{O}_7K2Cr2O7 and charge transfer transitions in KMnO4\mathrm{KMnO}_4KMnO4.Check answerSkip