Question

Suggest a list of the substances where carbon can exhibit oxidation states from -4 to +4 and nitrogen from -3 to +5.

Answer 1

The substances where carbon can exhibit oxidation states from $-4$ to $+4$ are listed in the following table.

Substance	O.N. of carbon
$CH_2Cl_2$	0
$ClC≡CCl$	+1
$HC≡CH$	-1
$CHCl_3,\, CO$	+2
$CH_3Cl$	-2
$Cl_3C – CCl_3$	+3
$H_3C – CH_3$	-3
$CCl_4,\, CO_2$	+4
$CH_4$	-4

The substances where nitrogen can exhibit oxidation states from $-3$ to $+5$ are listed in the following table.

Substance	O.N. of nitrogen
$N_2$	0
$N_2O$	+1
$N_2H_2$	-1
$NO$	+2
$N_2H_4$	-2
$N_2O_3$	+3
$NH_3$	-3
$NO_2$	+4
$N_2O_5$	+5