Write two uses of $KMnO_4$ and $K_2Cr_2O_7$.

Vedclass pdf generator app on play store
Vedclass iOS app on app store
(N/A) $KMnO_4$ (Potassium permanganate) is used as:
$1$. An oxidizing agent in laboratory and industrial processes.
$2$. $A$ disinfectant and germicide in water treatment.
$K_2Cr_2O_7$ (Potassium dichromate) is used as:
$1$. $A$ primary standard in volumetric analysis.
$2$. An oxidizing agent in the manufacture of azo compounds and in the leather industry for chrome tanning.

Explore More

Similar Questions

Which of the following is a highly corrosive salt?

The starting material for the manufacture of $KMnO_4$ is

$Cr_2O_7^{2-} / H^{\oplus}$ $\xrightarrow[200^{\circ}C]{H_2O_2} 'X'$ $\xrightarrow{\text{On Standing}} 'Y'_{(aq. sol)}$
Select the correct option for $'X'$ and $'Y'$

$A$ purple colored compound of Manganese $(X)$ decomposes on heating to liberate oxygen and forms compounds of Manganese $(Y)$ and $(Z)$. Compound $(Z)$ reacts with $KOH$ in the presence of potassium nitrate to give compound $(Y)$. Compounds $(X)$,$(Y)$,and $(Z)$ respectively are:

The orange colour of $K_2Cr_2O_7$ and purple colour of $KMnO_4$ is due to

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial
For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

Try Free
For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.

See Demo