Which of the following represents the balanced equation for the reaction of copper with concentrated trioxonitrate (V) acid?
Cu (s) + 2HNO 3(aq) → Cu (NO 3) 2(aq) + H 2(g)
Cu (s) + 4HNO 3(aq) → Cu (NO 3) 2(aq) + 2H 2O (1) + 2NO 2(g)
3Cu (s) + 8HNO3(aq) → 3Cu (NO3)2(aq) + 4H2O(1) + 2NO(g)
3Cu(s) + 4HNO3(aq) → 3Cu(NO 3) 2(aq) + 2H 2O (1) + 2NO (g)
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I thought cupper can't displace hydrogen in an equation cause it's less electronegative....so C is correct cause it's the only option where cu doesn't displace hydrogen
Concentration Matters: While concentrated acid produces NO2
, dilute trioxonitrate(V) acid reacts with copper to produce nitrogen(II) oxide (NO).
The answer is B,,,only option B has equal number of the elements on both sides,it's the only option with balanced equation,besides Cu reacting with HNO3 will produce NO2 rather than NO
