Consider the Following Images

question 21

Multiple Choice

Consider the following images.The reactions occurring in each are shown in the choices.
Which of the following is an example of an electron transfer reaction?

• A)Pb(NO₃)₂(aq) + Na₂SO₄(aq) 2 NaNO₃(aq) + PbSO₄(s)
• B)H₂CO₃(aq) H₂O(l) + CO₂(g)
• C)Ca(s) + 2HCl(aq) CaCl₂(aq) + H₂(g)
• D)Zn(s) + Cu²⁺(aq) Zn²⁺(aq) + Cu(s)
• E)Both c and d are electron transfer reactions.

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