Aqueous solution of a group 2 element is precipitated by adding$$N{a_2}C{O_3},$$ then this precipitate is tested on flame, no light in visible region is observed , this element can be
A.
$$Ba$$
B.
$$Mg$$
C.
$$Ca$$
D.
$$Sr$$
Answer :
$$Mg$$
Solution :
Electrons in $$Mg$$ due to its small size are tightly bound so they cannot be excited by the flame.
Releted MCQ Question on Inorganic Chemistry >> S - Block Elements
Releted Question 1
A substance absorbs $$C{O_2}$$ and voilently reacts with water. The substance is