S Block Elements Question 106
Question: Melting point of calcium halides decreases in the order
Options:
A) $ CaF_2>CaCl_2>CaBr_2>CaI_2 $
B) $ CaI_2>CaBr_2>CaCl_2>CaF_2 $
C) $ CaBr_2>CaI_2>CaF_2>CaCl_2 $
D) $ CaCl_2>CaBr_2>CaI_2>CaF_2 $
Show Answer
Answer:
Correct Answer: A
Solution:
[a] As the size of the anion increases, the covalent character increases and hence the m.p. decrease.
BETA
