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Which of the following is a nitric acid ...

Which of the following is a nitric acid anhydride?

A

`NO`

B

`NO_(2)`

C

`N_(2)O_(5)`

D

`N_(2)O_(3)`

Text Solution

Verified by Experts

The correct Answer is:
C
Dinitrogen pentaoxide `(N_(2)O_(5))` is prepared by dehydrating the concentrated nitric acid with phosphorus pentaoxide.
`4HNO_(3) + P_(4)O_(10) rarr 2N_(2)O_(5) + HPO_(3)`.
So, `N_(2)O_(5)` is regarded as anhydride of `HNO_(3)`.
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