d and f Block Elements · Chemistry · WB JEE

Start Practice

MCQ (Single Correct Answer)

WB JEE 2022
The correct order of acidity of the following hydra acids is
WB JEE 2021
A solution of NaNO3, when treated with a mixture of Zn dust and 'A' yields ammonia. 'A' can be
WB JEE 2020
The reaction for obtaining the metal (M) from its oxide (M2O3) ore is given by$${M_2}{O_3}(s) + 2Al(l)\buildrel {Heat} \over \longrightarrow A{l_2}{O...
WB JEE 2018
At room temperature, the reaction between water and fluorine produces
WB JEE 2018
$$[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] ...
WB JEE 2017
The correct basicity order of the following lanthanide ions is
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
CBSE
Class 12