Which of the following pairs has approximately the same ionic size?
- A$Zn^{2+}, Hf^{4+}$
- B$Fe^{2+}, Ni^{2+}$
- C$Zr^{4+}, Ti^{4+}$
- D$Zr^{4+}, Hf^{4+}$
Explore More
Similar Questions
Which one of the following ions exhibits the highest magnetic moment?
Assertion : $E^o$ for $Mn^{3+}/Mn^{2+}$ is more positive than $Cr^{3+}/Cr^{2+}$.
Reason : The third ionization energy of $Mn$ is larger than that of $Cr$.
Reason : The third ionization energy of $Mn$ is larger than that of $Cr$.
DifficultAIIMS 2006
View SolutionWhy is the $E^{\Theta }$ value for the $Mn^{3+}/Mn^{2+}$ couple much more positive than that for $Cr^{3+}/Cr^{2+}$ or $Fe^{3+}/Fe^{2+}$? Explain.
Easy
View SolutionWhich of the following ions exhibits a $3d^0 4s^0$ electronic configuration?
Easy
View SolutionWhich of the following pairs of elements has the electronic configuration $(n - 1)d^{10} ns^2$?
Easy
View SolutionVedclass 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