Tag: d and f block elements
Questions Related to d and f block elements
The ion that gives colourless compound:
Which pair of ions is colourless.
Out of the ions $Ag^+, Co^{2+}, Ti^{4+}$, which one will be coloured in aqueous solutions.
[Atomic no : Ag = 47, Co = 27, Ti = 22]
Most copper $(I)$ compounds are found to be colourless. This is due to :
The ion which exhibits green colour is:
Which ion is colourless?
When $MnO _{2}$ is fused with KOH in the presence of air, a coloured compound is formed, the product and its colour is :
Which one of the following elements forms compounds that are all coloured?
Which of the following compounds is not colored?
Which of the following orbitals are degenerate for $[Cr(H _2O) _6]^{3+}$?