P-Block Elements Ques 545
Question: The melting pt. of group 13 follows the order
Options:
A) $ B>Al>Ga>In>Tl $
B) $ B>Al<Ga\gt In>Tl $
C) $ B>Al>Tl>In>Ga $
D) $ B>Al<Ga<In<Tl $
Show Answer
Answer:
Correct Answer: C
Solution:
Due to structural changes, melting point, increases from Ga to Tl and Ga has the lowest melting point.