Q. 255.0( 2 Votes )

In the following questions two or more options may be correct.

CO is isoelectronic with

A. NO+

B. N2

C. SnCl2

D. NO2

Answer :

Isoelectronic species are the atoms of different elements with the same number of electrons.

Both (i), (ii) have 14 electrons and CO also has 14 electrons (6 electrons of C and 8 electrons of Oxygen).


SnCl2 has 84 electrons (50 electrons of Sn and 34 electrons of Cl2 ) and NO2 has 23 electrons (7 electrons of N and 16 electrons of O2).

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