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Multiple choice

Which of the following pairs of aqueous ions have the same colour?

  1. V3+(aq) and Cr3+(aq)

  2. Fe2+(aq) and Ni2+(aq)

  3. Mn2+(aq) and Mn3+(aq)

  4. Fe2+(aq) and Fe3+(aq)

  5. 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.

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