Vedclass
Class 12Chemistryd-and f-Block ElementsCompounds of Transitional elements
Easy

Which of the following is amphoteric?

  • A
    $MnO$
  • B
    $Mn_2O_7$
  • C
    $Cr_2O_3$
  • D
    $Fe_2O_3$
Share

Explore More

Browse All

Question Bank

12

All Subjects

Class 12 Questions

Class 12

Chemistry Questions

Chapter

d-and f-Block Elements

Subtopic

Compounds of Transitional elements

Similar Questions

The incorrect statement is:

MediumJEE MAIN 2020
View Solution

The fusion of manganese dioxide with $KOH$ in the presence of an oxidizing agent like $KNO_3$ yields a compound. Identify the compound and its color.

Easy
View Solution

The purple colour of $KMnO_4$ is due to the transition:

DifficultAIIMS 2009
View Solution

Alkaline 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 Solution

The compounds formed when $KMnO_4$ is heated to $513 \ K$ are . . . . . .

MediumAP EAMCET 2020
View Solution

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