Question

The total number of lone pair electron in n2o3 n2o4 and n2o5 are

Answer 1

total number of found in pair of e n2o4=2,n2o5=1,1 nitrogen bind with 2 e by the oxygenand ,n -n bind with single bond (valency of n= 5 ,2 e bind o and 1 e bind n remaining 1 pair of e on one nitrogen atom ).