23. In which reaction is nitric acid acting as an oxidising agent?
A)Cu + 4HNO3 -->Cu(NO3)2 + 2H2O + 2NO2.
B)CuO + 2HNO3-->Cu(NO3)2 + H2O.
C)Na2CO3 + 2HNO3 -> 2NaNO3 + H2O + CO2
D)NaOH + HNO3 --> NaNO3 + H2O.
Answers
Answered by
12
Answer:
Most probably in equation no D
Answered by
8
Answer:
A
Explanation:
As in all the other equations the valence of the metals remain the same in product side and reactant side only the first equation(A) has the metal oxidised from Cu(0) to Cu2+
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