Larger number of oxidation states are exhibited by the actinoids than those by the lanthanoids,the main reason being
- ALesser energy difference between $5f$ and $6d$ than $4f$ and $5d$ orbitals
- BMore energy difference between $5f$ and $6d$ than between $4f$ and $5d$ orbitals
- CMore reactive nature of the actinoids than the lanthanoids
- D$4f$ orbitals are more diffused than $5f$ orbitals
Explore More
Similar Questions
Assertion $A$: Barium is not required in the normal biological processes of the human body.
Reason $R$: Barium does not exhibit more than one oxidation state.
Reason $R$: Barium does not exhibit more than one oxidation state.
If the earth were to suddenly contract to $\frac{1}{n}^{th}$ of its present radius without any change in its mass,then the duration of the new day will be:
The depletion layer in the $p-n$ junction is caused by
The line $\frac{x}{a} + \frac{y}{b} = 1$ moves in such a way that $\frac{1}{a^2} + \frac{1}{b^2} = \frac{1}{2c^2}$,where $a, b, c \in R_0$ and $c$ is a constant. Then,the locus of the foot of the perpendicular from the origin on the given line is -
$A$ bullet fired into a fixed target loses half of its velocity after penetrating $3\, cm$. How much further will it penetrate before coming to rest,assuming that it faces constant resistance to motion?.......$cm$
Vedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo