Multiple choice Which of the following pairs of aqueous ions have the same colour? V3+(aq) and Cr3+(aq) Fe2+(aq) and Ni2+(aq) Mn2+(aq) and Mn3+(aq) Fe2+(aq) and Fe3+(aq) Sc3+(aq) and Ti3+(aq) Reveal answer Fill a bubble to check yourself B Correct answer Explanation Both Fe2+(aq) and Ni2+(aq) are green.