Caesium chloride, on heating, changes into — Solid State Chemistry Question
Question
Caesium chloride, on heating, changes into
Answer: B
💡 Solution & Explanation
Upon heating (around 760°C), the body-centred cubic structure of CsCl (coordination number 8:8) transitions into a face-centred cubic (NaCl-type) structure (coordination number 6:6) due to thermal expansion. Therefore, correct answer is B.
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