Which of the following pair of ions may exhibit same colour

  • A

    $C{r^{ + 3 }}$ and $F{e^{ + 2 }}$

  • B

    $T{i^{ + 3 }}$ and ${V^{ + 2 }}$

  • C

    $F{e^{ + 3}}$ and $M{n^{ + 2 }}$

  • D

    $C{u^ + }$ and $N{i^{ + 2 }}$

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