Cuprous ion is colourless while cupric ion is coloured because

  • [AIIMS 2012]
  • A

    Both have half filled $p-$ and $d-$ orbitals

  • B

    Cuprous ion has incomplete $d-$ orbitaland cupric ion has a complete $d-$ orbital

  • C

    Both have unpaired electrons in the $d-$ orbitals

  • D

    Cuprous ion has complete $d-$ orbital and cupric ion has an incomplete $d-$ orbital.

Similar Questions

Identify incorrect statement

  • [JEE MAIN 2013]

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

Which of the following statements are correct?

$(A)$ The $M ^{3+} / M ^{2+}$ reduction potential for iron is greater than manganese

$(B)$ The higher oxidation states of first row $d$ block elements get stabilized by oxide ion.

$(C)$ Aqueous solution of $Cr ^{2+}$ can liberate hydrogen from dilute acid.

$(D)$ Magnetic moment of $V ^{2+}$ is observed between $4.4-5.2\,BM$

Choose the correct answer from the options given below:

  • [JEE MAIN 2023]

A copper salt is isomorphic with $ZnS{O_4}$, the salt will be

Which of the following is $NOT$ a characteristic of the transition elements in the series from scandium to zinc?