Which of the Following Reactions Is Not Spontaneous

question 99

Multiple Choice

Which of the following reactions is not spontaneous?

• A)Cu (s)+ 2HCl (aq)→ CuCl₂ (aq)+ H₂ (g)
• B)Mg (s)+ 2HCl (aq)→ MgCl₂ (aq)+ H₂(g)
• C)2Ni (s)+ H₂SO₄ (aq)→ Ni₂SO₄ (aq)+ H₂ (g)
• D)2Al (s)+ 6HBr (aq)→ 2AlBr₃ (aq)+ 3H₂ (g)
• E)Zn (s)+ 2HI (aq)→ ZnI₂(aq)+ H₂ (g)

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Definitions:

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Hypothesis

A proposed explanation for a phenomenon, made as a starting point for further investigation, that can be tested through experimentation and observation.

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