The correct order of acidity of the following hydra acids is

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...

At room temperature, the reaction between water and fluorine produces

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

The correct basicity order of the following lanthanide ions is