Home
Class 12
CHEMISTRY
A pink violet salt on heating change to ...

A pink violet salt on heating change to blue. It may be due to the presence of

A

`MnCl_(2)`

B

`CoCl_(2)`

C

`MnSO_(4)`

D

none of these

Text Solution

Verified by Experts

`CoCl_(2)` is pink violet salt., on heating it becomes blue. The change is reversible.
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • PRINCIPLES RELATED TO PRACTICAL CHEMISTRY

    DINESH PUBLICATION|Exercise Brain teasers-27|1 Videos

  • PRINCIPLES RELATED TO PRACTICAL CHEMISTRY

    DINESH PUBLICATION|Exercise Brain teasers-28|1 Videos

  • PRINCIPLES RELATED TO PRACTICAL CHEMISTRY

    DINESH PUBLICATION|Exercise Brain teasers-25|1 Videos

  • POLYMERS

    DINESH PUBLICATION|Exercise Matrix|5 Videos

  • PURIFICATION & CHARACTERISATION OF ORGANIC COMPOUND

    DINESH PUBLICATION|Exercise Ultimate Preparatory Package|15 Videos

Similar Questions

Explore conceptually related problems

The blue colour obtained by the addition of excess dil. NH_(4)OH to an aqueous solution of a salt containing copper is due to the presence of :

Hardness of water is due to presence of salts of

Knowledge Check

  • The blue colour of snail is due to presence o

    A
    Albumin
    B
    Haemocyanin
    C
    Globulins
    D
    Fibrinogen

  • The blood of animal is light blue in colour due to the presence of

    A
    Cytochrome
    B
    Haemoglobin
    C
    Haemocyanin
    D
    Cobalt

  • The change ina vector may occur due to

    A
    Rotation of frame of reference
    B
    Translation of frame of eference
    C
    Rotation of vector
    D
    Both (1)/ & (3)

    • Similar Questions

    Explore conceptually related problems

    Salt solutions are good conductors of electricity. This is due to the presence of _______ in solution state.

    Salt solutions are good conductors of electricity. This is due to the presence of _______ in solution state.

    Salt solutions are good conductors of electricity. This is due to the presence of________ in solution state.

    Salt solutions are good conductors of electricity. This is due to the presence of_________ solution state.

    Assertion Alkaline earth metals dissolve in liquid ammonia to give a blue-black coloured solution. The blue-black colour of the solution is due to the presence of ammoniated electrons.

    Home
    Profile