In the diagram above, the gas produced is?
...
In the diagram above, the gas produced is?
A.
NO
B.
NO2
C.
N2O
D.
N2O4
Correct answer is B
In this laboratory preparation, 50% trioxonitrate (V) acid is reacted with copper turnings to liberate nitrogen (II) oxide ( NO ) that is collected by downward delivery.
Cu+4HNO3→Cu(NO3)2+2NO2+2H2O
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