$Zn$ and $Cd$ metals do not show variable valency because
- AThey have only two electrons in the outermost subshells
- BTheir $d-$subshells are completely filled
- CTheir $d-$subshells are partially filled
- DThey are relatively soft metals
Explore More
Similar Questions
The maximum possible number of real roots of the equation $x^5 - 6x^2 - 4x + 5 = 0$ is
The orange coloured compound formed when $H_2O_2$ is added to $TiO_2$ solution acidified with conc $H_2SO_4$ is
$A$ bag contains $6$ white and $4$ black balls. Two balls are drawn at random. The probability that they are of the same colour is:
If from a point $P(a, b, c)$ perpendiculars $PA$ and $PB$ are drawn to $yz$ and $zx$ planes respectively,then the equation of the plane $OAB$ is
$\int \frac{\log \sqrt{x}}{3 x} dx$ is equal to
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