A blue colouration is not obtained when

  • [AIPMT 1989]
  • A

    Ammonium hydroxide dissolves in copper sulphate

  • B

    Copper sulphate solution reacts with ${K_4}[Fe{(CN)_6}]$

  • C

    Ferric chloride reacts with sodium ferrocyanide

  • D

    Anhydrous $CuS{O_4}$ is dissolved in water

Similar Questions

For $d-$ block elements the first ionization potential is of the order

  • [AIIMS 2017]

Which of the following species is expected to show the highest magnetic moment? (At. Nos.: $Cr=24$,  $Mn = 25$,  $Co = 27$,  $Ni = 28$,  $Cu = 29)$ 

Assertion : The free gaseous $Cr$ atom has six unpaired electrons

Reason : Half-filled s orbital has greater stability.

  • [AIIMS 2004]

Correct order of atomic Radii (Metallic radii)

Which of the following electronic configuration would be associated with the highest magnetic moment?

  • [JEE MAIN 2024]