Multiple choice

Which one of the following does not give flame test?

  1. Ba

  2. Ca

  3. Sr

  4. Mg
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

this answer is correct because in Mg the outermost electons are tightly bonded because of the nuclear force of attraction and cannot be excited to the higher energy level by the energy provided by the flame and hence it does not respond to the flame test.

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