D-And F-Block Elements Ques 43
Question: Amongst $ TiF_6^{2-},CoF_6^{3-},Cu_2Cl_2 $ and $ NiCl_4^{2-} $ (Atomic number $ Ti=22, $ $ Co=27, $ $ Cu=29, $ $ Ni=28 $ ). The colourless species are
[CBSE PMT 1995]
Options:
A) $ CoF_6^{3-} $ and $ NiCl_4^{2-} $
B) $ TiF_6^{2-} $ and $ CoF_6^{3-} $
C) $ Cu_2Cl_2 $ and $ NiCl_4^{2-} $
D) $ TiF_6^{2-} $ and $ Cu_2Cl_2 $
Show Answer
Answer:
Correct Answer: D
Solution:
$ TiF_6^{2-} $ and $ Cu_2Cl_2 $ due to absence of unpaired electrons.
