Which of the following metal ions has a pink color?

  • A
    $Cr^{3+}, Mn^{2+}$
  • B
    $Co^{2+}, Mn^{3+}$
  • C
    $Co^{2+}, Mn^{2+}$
  • D
    $Co^{3+}, Mn^{2+}$

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Similar Questions

Match the species in List-$I$ with their correct electronic configuration in List-$II$.
List-$I$ List-$II$
$(1) \ \text{Cr}$ $(A) \ [\text{Ar}] \ 3d^8 4s^0$
$(2) \ \text{Fe}^{2+}$ $(B) \ [\text{Ar}] \ 3d^{10} 4s^1$
$(3) \ \text{Ni}^{2+}$ $(C) \ [\text{Ar}] \ 3d^6 4s^0$
$(4) \ \text{Cu}$ $(D) \ [\text{Ar}] \ 3d^5 4s^1$
$(E) \ [\text{Ar}] \ 3d^6 4s^2$

What is the net charge on a ferrous ion?

In which pair of ions are both diamagnetic in nature?

The most stable oxidation state of $Mn$ is

All transition elements are $d$-block elements,but all $d$-block elements are not transition elements. Explain.

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