Classification Of Elements And Periodicity In Properties Ques 293
Question: The electron affinity values (in $ kJ,mo{{l}^{-1}} $ ) of three halogens $ X,Y $ and $ Z $ are respectively 349, 333 and 325. Then $ X,Y $ and $ Z $ are respectively
Options:
A) $ F_2,Cl_2 $ and $ Br_2 $
B) $ Cl_2,F_2 $ and $ Br_2 $
C) $ Cl_2,Br_2 $ and $ F_2 $
D) $ Br_2,Cl_2 $ and $ F_2 $
Show Answer
Answer:
Correct Answer: B
Solution:
[b] In IB group all elements are metals.
