Yes, this is a redox reaction.
Let's assign oxidation numbers to the elements in the reaction:
In NaCl, the oxidation number of Na is +1 and Cl is -1.
In Ba(NO3)2, the oxidation number of Ba is +2, N is +5, and O is -2.
In BaCl2, the oxidation number of Ba is +2 and Cl is -1.
In NaNO3, the oxidation number of Na is +1, N is +5, and O is -2.
We can see that the oxidation number of Ba increased from +2 to +2, which means it was not involved in any redox reaction. However, the oxidation number of Na decreased from +1 to +1, indicating that it was not involved in any redox reaction either.
On the other hand, the oxidation number of Cl decreased from -1 to -1, which means it was not involved in any redox reaction. However, the oxidation number of N decreased from +5 to +5, which indicates that it was not involved in any redox reaction.
Therefore, there are no changes in oxidation numbers in this reaction, and it is not a redox reaction.
2NaCl(aq) + Ba(NO3)2(aq) -> BaCl2(aq) + 2NaNo3 (aq) is it an redox reaction use oxidation number to explain why or why not
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