In context with the transition elements,which of the following statements is incorrect?
- AIn the highest oxidation states,the transition metals show basic character and form cationic complexes.
- BIn the highest oxidation states of the first five transition elements ($Sc$ to $Mn$),all the $4s$ and $3d$ electrons are used for bonding.
- CIn addition to the normal oxidation state,the zero oxidation state is also shown by these elements in complexes.
- DOnce the $d^5$ configuration is exceeded,the tendency to involve all the $3d$ electrons in bonding decreases.
Explore More
Similar Questions
Assertion : Cuprous ion $(Cu^+)$ has unpaired electrons while cupric ion $(Cu^{2+})$ does not.
Reason : Cuprous ion $(Cu^+)$ is colourless whereas cupric ion $(Cu^{2+})$ is blue in the aqueous solution.
Reason : Cuprous ion $(Cu^+)$ is colourless whereas cupric ion $(Cu^{2+})$ is blue in the aqueous solution.
DifficultAIIMS 2014
View SolutionThe atomic number of an element is $22$. The highest oxidation state exhibited by it in its compounds is
Medium
View SolutionGadolinium belongs to the $4f$ series. Its atomic number is $64$. Which of the following is the correct electronic configuration of gadolinium?
MediumNEET 2015
View SolutionHighest $(+7)$ oxidation state is shown by
In the $3d$ series of the $d$-block elements,which element has the maximum atomic size?
Medium
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