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Q.

What is the characteristic colour of the flame test for potassium?

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a

Violet

b

Yellow

c

Red

d

Green

answer is D.

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Detailed Solution

The characteristic colour of the flame test for potassium is violet.

 In a flame, potassium salts have a distinctive purple or violet colour. If your burner flame is blue, it could be challenging to notice a significant colour change.

 Hence, option D is correct.

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What is the characteristic colour of the flame test for potassium?