Question

How to know whether no2 is anhydride of what

Answer 1

Answer:

Dinitrogen trioxide is the anhydride of nitrous acid, HNO2, and dinitrogen pentoxide is the anhydride of the nitric acid, HNO3. The Nitrogen dioxide reacts with water in one of the two ways. In cold water the NO2 disproportionate to form a mixture of HNO2 and HNO3, whereas at higher temperatures HNO3 and NO are formed.

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Answer 2

Answer:

Explanation:

JUST ADD H₂O TO TWO MOLECULES OF THE ANHYDRIDE

2 NO₂ +H₂O ------------>HNO₃

SO NO₂ IS ANHYDRIDE OF NITRIC ACID

SOMETIMES THERE ARE CASES WHEN H₂O SHOULD BE ADDED TO SINGLE MOLECULE FOR EXAMPLE SO₃

SO₃ + H₂O ------------> H₂SO₄

REMEMBER TO TRY IN BOTH WAYS....PRACTICE SOME