Which of the following statements is not true?
- A$K_2Cr_2O_7$ solution in acidic medium is orange
- B$K_2Cr_2O_7$ solution becomes yellow on increasing the $pH$ beyond $7$
- COn passing $H_2S$ through acidified $K_2Cr_2O_7$ solution,a milky colour is observed
- D$Na_2Cr_2O_7$ is preferred over $K_2Cr_2O_7$ in volumetric analysis
Explore More
Similar Questions
Select the incorrect statement.
The equation of the pair of straight lines parallel to the $X$-axis and touching the circle $x^2+y^2-6x-4y-12=0$ is:
The equation of a straight line,perpendicular to $3x - 4y = 6$ and forming a triangle of area $6$ sq. units with the coordinate axes,is
$A$ liquid drop of diameter $D$ breaks into $27$ tiny drops. The change in energy is
$A$ $1 \, kg$ diatomic gas is at a pressure of $8 \times 10^4 \, N/m^2$. The density of the gas is $4 \, kg/m^3$. What will be the energy associated with the thermal motion of the gas?
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