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Q.

The compound of which alkali metal gives crimson red in flame test ? 
 

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a

Na

b

Rb

c

Li

d

K

answer is A.

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Detailed Solution

  • Li gives Crimson red, Na imparts Golden yellow, K gives Pale violet, Rb and Cs produce Violet colour .
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The compound of which alkali metal gives crimson red in flame test ?