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A colourless salt gives violet colour to...

A colourless salt gives violet colour to Bunsen flame and also turns moistured litmus paper blue. It is:

A

`Na_2CO_3`

B

`KNO_3`

C

`K_2CO_3`

D

`Cu(OH)_2`

Text Solution

Verified by Experts

The correct Answer is:
C
Violet colour to flame is characteristic of potassium. Also aqueous solution of `K_2CO_3` is alkaline.
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BRILLIANT PUBLICATION-S-BLOCK ELEMENTS-LEVEL-II
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