Statement-I: All bond lengths between Cr – O in ${\text{CrO}}_4^{-2}$ are equal

Statement-II: All bond lengths between Cr – O in ${\text{Cr}}_{\text{2}}{\text{O}}_7^{-2}$ are equal

Statement-I is incorrect and Statement-II is correct

Both statements I and II are correct

Statement-I is correct and Statement –II is incorrect

Both statements I and II are incorrect