The correct option is D NO+2
In the following table:
SpeciesNumber of bonded atomsNumber of lone pairsHybridizationBond angle predicted from hybridizationActual bond angleNO+220sp180∘180∘NO−330sp2120∘120∘NO221sp2120∘132∘NO−221sp2120∘115∘
So, the maximum bond angle at nitrogen is present in NO+2