Which molecule has the most number of lone pairs: $Cl-CH_3$ ; $CO_2$ ; $H_2N-NH_2$ ; $H_4N^+""^(-)C-=N$ ...?

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Answer 1 · 2017-02-18T04:18:07

Of lone pairs, surely it's carbon dioxide?

$H_3C-Cl$ has 3 lone pairs. Where are they?

$O=C=O$ has 4 oxygen-centred lone pairs.

$H_2N-NH_2$ has 2 nitrogen-centred lone pairs.

$H_4N^(+)""^(-)C-=N$ , has 2 lone pairs, one on the carbon, and one on the nitrogen.

Which molecule has the most number of lone pairs: Cl-CH_3Cl-CH_3; CO_2CO_2; H_2N-NH_2H_2N-NH_2; H_4N^+""^(-)C-=NH_4N^+""^(-)C-=N...?