Which of the following is not a characteristic of transition element
These forms organometallic compounds
These forms large number of complexes
These represents variable oxidation states
They have maximum tendency to form ionic compound
Iron becomes passive by ..................... due to formation of .....................
Magnetic moment is expressed in
Which of the following statements is incorrect
The colour of ${(N{H_4})_2}S{O_4}Fe{(S{O_4})_3}.24{H_2}O$ is
Why does copper not replace hydrogen from acids?