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NEET2019Chemistrys Block ElementsActual

Which alkali metal during flame test will show colour corresponding to maximum wavelength?

Options

  1. ALi
  2. BNa
  3. CK
  4. DCs

Correct answer

A. Li

Step-by-step solution

Li - Crimson red ( =625-740 ~nm ) Na - Golden yellow ( =560-590 ~nm ) K - Pale violet ( =380-450 ~nm ) Cs - Blue ( =450-485 ~nm )

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