d and f Block Elements

The common stable oxidation states of Eu and Gd are respectively

Which of the following species exhibits both LMCT and paramagnetism?

Identify the ion having \(4 f^6\) electronic configuration.

A solution of NaNO3, when treated with a mixture of Zn dust and 'A' yields ammonia. 'A' can be

The reaction for obtaining the metal (M) from its oxide (M2O3) ore is given by\({M_2}{O_3}(s) + 2Al(l)\buildrel {Heat} \over \longrightarrow A{l_2}{O_3}(l) + 2M(s)\), (s = solid, l = liquid) in that case, M is

\([X] + Dil.\,{H_2}S{O_4} \to [Y]:\) Colourless, suffocating gas\([Y] + {K_2}C{r_2}{O_7} + {H_2}S{O_4} \to\) Green colouration of solution.Then, [X] and [Y] are

At room temperature, the reaction between water and fluorine produces

The correct basicity order of the following lanthanide ions is

Which of the following statements regarding Lanthanides is false?