List of top Chemistry Questions on d -and f -Block Elements asked in AIIMS

Which of the following compound, on reaction with $NaOH$ and $Na _{2} O _{2}$, gives yellow colour?

Which of the following compounds is known as white vitriol?

Blister copper is

Which of the following is the electronic configuration of $Cu^{2+}$ (Z=29)?

Which of the following is used in photography?

In order to protect, iron from corrosion, the iron is coated with