When $MnO_2$ is fused with $KOH$ in the presence of air,a colored compound is formed. Identify the compound and its color.
- A$K_2MnO_4$,Green
- B$KMnO_4$,Purple
- C$Mn_2O_3$,Brown
- D$Mn_3O_4$,Black
Explore More
Similar Questions
Assertion: $KMnO_4$ is purple in colour due to charge transfer.
Reason: There is no electron present in $d$-orbitals of Manganese in $MnO_4^-$.
Reason: There is no electron present in $d$-orbitals of Manganese in $MnO_4^-$.
Medium
View SolutionIdentify the wrong statement regarding copper$(II)$ sulphate $(CuSO_4)$.
Medium
View SolutionThe colour and magnetic nature of manganate ion $MnO_4^{2-}$ is-
Among the following,the compound that is both paramagnetic and coloured is
DifficultIIT 1997
View SolutionAlkaline oxidative fusion of $MnO_2$ gives $A$ which on electrolytic oxidation in alkaline solution produces $B$. $A$ and $B$ respectively are:
DifficultJEE MAIN 2024
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