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.



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