Atomic Structure Question 59

Question: $ CO $ has same electrons as or the ion that is isoelectronic with $ CO $ is [CPMT 1984; IIT 1982; EAMCET 1990; CBSE PMT 1997]

Options:

A) $ N_2^{+} $

B) $ C{N^{-}} $

C) $ O_2^{+} $

D) $ O_2^{-} $

Show Answer

Answer:

Correct Answer: B

Solution:

CO and $ C{N^{-}} $ are isoelectronic. $ CO=6+8=14 $ and $ C{N^{-}}=6+7+1=14 $ .



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