Jee Main
D And F Block Elements
JEE Main 2023 (Online) 31st January Morning Shift
MCQ+4 / -12023
When \(\mathrm{Cu}^{2+}\) ion is treated with \(\mathrm{KI}\), a white precipitate, \(\mathrm{X}\) appears in solution. The solution is titrated with sodium thiosulphate, the compound \(\mathrm{Y}\) is formed. \(\mathrm{X}\) and \(\mathrm{Y}\) respectively are :
