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 $ .