Structure of Atom - Result Question 47

####51. Which of the following is isoelectronic?[2002]

(a) $CO_2, NO_2$

(b) $NO_2^{-}, CO_2$

(c) $CN^{-}, CO$

(d) $SO_2, CO_2$

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Solution:

  1. (c) Both $CN^{-}$and $CO$ have 14 electrons.


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