Zinc does not show variable valency like d-block elements because
d-orbital is complete
Purple of cassius is
The properties of Zr and Hf are similar because
By annealing, steel
Carbon in wrought iron is present as
Which of the following is called white vitriol?
Nessler’s reagent is
Coinage metals show the properties of
Which of the following elements does not belong to the first transition series?
Which of the following statements is not true in regard to transition elements?
The catalytic activity of the transition metals and their compounds is ascribed to their