Question

The ion that is isoelectronic with CO is
A CN-
C. CO2-
B. 02+
D. N2+
​

Answer 1

Answer:

option A ) CN-

Explanation:

isoelectronic means , having equal number of electrons

number of electrons in CO = (6+8) = 14 electron

A. CN- => 6 + 7 + 1 { negative sign means +1 electron }

CN-. = 14electron

therefore electron in CN- = electron in CO

hence CN- ion is isoelectronic with CO

Answer 2

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