The correct options are
A CH3CH2CH2NO2
B CH3CH2NO2
C CH3CHCH3|NO2
D CH3NO2
The nitration of propane with concentrated HNO3 gives 1-nitroporpane CH3CH2CH2NO2, 2-nitropropane CH3CHCH3|NO2, nitroethane CH3CH2NO2 and nitromethane. CH3NO2.
CH3CH2CH3Δ−−−−→HNO3CH3CH2CH2NO2+CH3CHCH3|NO2+CH3CH2NO2+CH3NO2