Which One of the Following Reactions Will Occur Spontaneously at Standard-State

question 5

Multiple Choice

Which one of the following reactions will occur spontaneously at standard-state conditions and 25°C?

• A)Br₂(l)+ Sn(s)\(\rarr\)2Br^-(aq)+ Sn²⁺(aq)
• B)Fe²⁺(aq)+ Ni(s)\(\rarr\) Fe(s)+ Ni²⁺(aq)
• C)2Ag⁺(aq)2H₂O(l)\(\rarr\) 2Ag(s)+ 2H⁺(aq)+ H₂O₂(aq)
• D)Mn²⁺(aq)+ Cd(s)\(\rarr\) Mn(s)+ Cd²⁺(aq)
• E)Cr³⁺(aq)+ 3Cu⁺(aq)\(\rarr\) Cr(s)+ 3Cu²⁺(aq)

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