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Chemistry
Co-ordinate bond is absent in:
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Q. Co-ordinate bond is absent in:
Rajasthan PMT
Rajasthan PMT 2002
A
$ BH_{4}^{\ominus} $
B
$ CO_{3}^{-2} $
C
$ H_{3}O^{+} $
D
$ NH_{4}^{\oplus } $
Solution:
$CO_3^{-2}$ ion $\left[O^-\overset{\underset{|}{O_-}}{C} = O\right]$
does not contain any co-ordinate bond.