Which of the Following Reactions Is Associated with the Lattice

question 68

Multiple Choice

Which of the following reactions is associated with the lattice energy of CaS (Δ_r ) ?

• A)Ca(s)+ S(s)→ CaS(s)
• B)CaS(s)→ Ca(s)+ S(s)
• C)Ca²⁺(aq)+ S²⁻(aq)→ CaS(s)
• D)Ca²⁺(g)+ S²⁻(g)→ CaS(s)
• E)CaS(s)→ Ca²⁺(aq)+ S²⁻(aq)

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