When $Cu^{2+}$ ion is treated with $KI$, a white precipitate is formed. Explain the reaction with the help of chemical equation.
Which ion is not coloured
Choose the correct statement regarding transition elements?
The colour of ${(N{H_4})_2}S{O_4}Fe{(S{O_4})_3}.24{H_2}O$ is
Which of the following electronic configuration would be associated with the highest magnetic moment?
Invar, an alloy of $ Fe$ and $ Ni $ is used in watches and meter scale, its characteristic property is