What is the reducing agent in the reaction #2Na(s) + Cu(NO_3)_2(aq) -> Cu(s) +2NaNO_3(aq)#?

Answer 1

Mateo Aguilar

#"The reducing agent"# is the species oxidized........#"the electron source."#

Here, sodium is undoubtedly the species that has been oxidized.

i.e. #NararrNa^+ +e^-#

The sodium would first convert the water to hydrogen gas, so I don't think this could be done in an aqueous solution.

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Answer 2

Ellie Andrews

In the reaction (2\text{Na}(s) + \text{Cu(NO}_3\text{)}_2(\text{aq}) \rightarrow \text{Cu}(s) + 2\text{NaNO}_3(\text{aq})), the reducing agent is (2\text{Na}(s)).

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

What is the reducing agent in the reaction #2Na(s) + Cu(NO_3)_2(aq) -&gt; Cu(s) +2NaNO_3(aq)#?

What is the reducing agent in the reaction #2Na(s) + Cu(NO_3)_2(aq) -> Cu(s) +2NaNO_3(aq)#?