In which of the following pair of compounds, oxidation number of chromium is same
A. K2CrO4 and KCrO2
B. KCrO2 and Cr(CO)6
C. K2Cr2O7 and Cr(CO)4
D. K2Cr2O7 and K2CrO4
Answer:B
In which of the following pair of compounds, oxidation number of chromium is same
A. K2CrO4 and KCrO2 B. KCrO2 and Cr(CO)6 C. K2Cr2O7 and Cr(CO)4 D. K2Cr2O7 and K2CrO4