Home
Class 12
CHEMISTRY
In acidic medium, which of the following...

In acidic medium, which of the following becomes colourless -

A

`MnO_(4)^(-)`

B

`MnO_(4)^(2-)`

C

`CrO_(4)^(2-)`

D

`FeO_(4)^(2-)`

Text Solution

Verified by Experts

The correct Answer is:
A
`MnO_(4)^(-)` changes from purple to colourless `Mn^(2+)` in acidic solution while `MnO_(4)^(2-)` is stable in acidic medium. Yellow coloured `CrO_(4)^(2-)` changes to orange coloured `Cr_(2)O_(7)^(2-)` on acidifying and `FeO_(4)^(2-)` decomposes.
Promotional Banner

Topper's Solved these Questions

  • D - AND F - BLOCK ELEMENTS

    CHHAYA PUBLICATION|Exercise SOLVED NCERT EXEMPLAR PROBLEMS (Multiple Choice Question)|31 Videos

  • D - AND F - BLOCK ELEMENTS

    CHHAYA PUBLICATION|Exercise SOLVED NCERT EXEMPLAR PROBLEMS (Short Answer Type)|20 Videos

  • D - AND F - BLOCK ELEMENTS

    CHHAYA PUBLICATION|Exercise HIGHER ORDER THINKING SKILL (HOTS) QUESTIONS|28 Videos

  • COORDINATION COMPOUNDS OR COMPLEX COMPOUNDS

    CHHAYA PUBLICATION|Exercise PRACTICE SET 21|2 Videos

  • ELECTROCHEMISTRY

    CHHAYA PUBLICATION|Exercise PRACTICE SET 4(Answer the following questions)|14 Videos

Similar Questions

Explore conceptually related problems

Which of the following interhalogen is colourless

Which of the following gas is colourless___

Which of the following ion is expected to be colourless

In acid rain which of the following are present

Which of the following are Lewis acids ?

Which of the following has become extinct in India

Which of the following is most acidic?