Nitrogen forms largest number of oxides in which oxidation state of nitrogen varies from +1 to +5 `N_(2)O,NO,N_(2)O_(3),N_(2)O_(4) and N_(2)O_(5)` respectively. The largest number of oxides are formed due to capability of forming stable multiple bonds by nitrogen with oxygen.
Q. Which of the following oxides is known as anhydride of nitric acid?
A. `N_(2)O_(5)`
B. `N_(2)O_(3)`
C. `NO`
D. All of these