The correct order of increasing bond angles in the following triatomic species is

Q. The correct order of increasing bond angles in the following triatomic species is

1. NO2- < NO2+ < NO2
2. NO2- < NO2 < NO2+
3. NO2+ < NO2 < NO2-
4. NO2+ < NO2- < NO2

Answer: NO2- < NO2 < NO2+