Question
Chemistry Question on The S-Block Elements
s-block element which cannot be qualitatively confirmed by the flame test is
A
Li
B
Na
C
Rb
D
Be
Answer
Be
Explanation
Solution
The correct answer is (D) : Be
Beryllium does not give flame test because of its small size and high ionization energy the energy of flame is not sufficient to excite the electrons to higher energy level.