S Block Elements Question 119
Question: Aqueous solution of a group 2 element is precipitated by adding $ Na_2CO_3, $ then this precipitate is tested on flame, no light in visible region is observed , this element can be
Options:
A) $ Ba $
B) $ Mg $
C) $ Ca $
D) $ Sr $
Show Answer
Answer:
Correct Answer: B
Solution:
[b] Electrons in Mg due to its small size are tightly bound so they cannot be excited by the flame.