Contact us
Back

Report Issue

Periodic Table

Get chapter-wise JEE Main & Advanced questions with solutions

Q JEE MAIN 2021
The ionic radius of $\mathrm{Na}+$ ions is 1.02 Å.. The ionic radii (in Å. ) of $\mathrm{Mg}^{2+}$ and $\mathrm{Al}^{3+}$, respectively, are-
JEE Main Chemistry Easy
View Solution →
Q JEE MAIN 2021
The correct order of electron gain enthalpy is
JEE Main Chemistry Easy
View Solution →
Q JEE MAIN 2021
JEE Main Chemistry Easy
View Solution →
Q JEE MAIN 2021
Consider the elements Mg. Al, S, P and Si, the correct increasing order of their first ionization enthalpy is :
JEE Main Chemistry Medium
View Solution →
Q JEE MAIN 2022
The incorrect statement is
JEE Main Chemistry Easy
View Solution →
Q JEE MAIN 2022
The first ionization enthalpies of Be, B, N and O follow the order
JEE Main Chemistry Easy
View Solution →
Q JEE MAIN 2022
In which of the following pairs, electron gain enthalpies of constituent elements are nearly the same or identical ?
(A) Rb and Cs
(B) Na...
JEE Main Chemistry Easy
View Solution →
Q JEE MAIN 2022
Outermost electronic configurations of four elements A, B, C, D are given below:
(A) $3 \mathrm{~s}^2$ (B) $3 s^2 3 P^1$ (C) $...
JEE Main Chemistry Easy
View Solution →
Q JEE MAIN 2022
The first ionization enthalpy of $\mathrm{Na}, \mathrm{Mg}$ and Si, respectively, are: 496,737 and $786 \mathrm{~kJ} \mathrm{~mol}^{-1}$. The first ionization enthalpy $\left(\mathrm{kJ} \mathrm{mol}^{-1}\right)$ of AI is:
JEE Main Chemistry Easy
View Solution →
Q JEE-Main 2022
The IUPAC nomenclature of an element with electronic configuration $[\mathrm{Rn}] 5 \mathrm{f}^{14} 6 \mathrm{~d}^1 7 \mathrm{~s}^2$ is:
JEE Main Chemistry Easy
View Solution →