Classification Of Elements And Periodicity In Properties Ques 113
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 [EAMCET 2003]
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 $
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Answer:
Correct Answer: B
Solution:
In IB group all elements are metals.