Which of the following ionic species will impart colour to an aqueous solution

  • [AIPMT 1998]
  • A

    $T{i^{4 + }}$

  • B

    $C{u^ + }$

  • C

    $Z{n^{2 + }}$

  • D

    $C{r^{3 + }}$

Similar Questions

How would you account for the following:

$(i)$ of the $d^{4}$ species, $Cr ^{2+}$ is strongly reducing while manganese $(III)$ is strongly oxidising.

$(ii)$ Cobalt $(II)$ is stable in aqueous solution but in the presence of complexing reagents it is easily oxidised.

$(iii)$ The $d^{1}$ configuration is very unstable in ions.

Triple degenerate $d-$ orbitals are exactly half-filled in

Which of the following is decreasing order of $I.P_2$ ?

For the ions $Zn ^{2+}, \,Ni ^{2+}$ and $Cr ^{3+}$ which among the following statements is correct ?

(Atomic number of $Zn =30,\,Ni =28$ and $Cr =24$ )

  • [AIIMS 2019]

Transition elements show high melting points. Why?