In a binary system A-B, ε_AA, ε_BB and ε_AB correspond to A-A, B-B and A-B bond energies respectively. The miscibility gap will occur, if

A) $${\varepsilon _{AB}}$$ B) $${\varepsilon _{AB}} < \frac{1}{2}\left( {{\varepsilon _{AA}} + {\varepsilon _{BB}}} \right)$$ C) $${\varepsilon _{AB}} = \frac{1}{2}\left( {{\varepsilon _{AA}} + {\varepsilon _{BB}}} \right)$$ D) $${\varepsilon _{AB}} < \frac{1}{4}\left( {{\varepsilon _{AA}} + {\varepsilon _{BB}}} \right)$$

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Correct Answer: Option A

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In a binary system A-B AA BB and AB correspond to...

In a binary system A-B, εAA, εBB and εAB correspond to A-A, B-B and A-B bond energies respectively. The miscibility gap will occur, if

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In a binary system A-B, ε_AA, ε_BB and ε_AB correspond to A-A, B-B and A-B bond energies respectively. The miscibility gap will occur, if