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NEET UG CHEMISTRY MCQ: SOLID STATE
1
Medium
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Analyzing
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Assertion (A): In crystal each ion is touching ions but these ions do not touch each other.
Reason (R): The radius ratio is greater than 0.414 required for exact fitting.
Reason (R): The radius ratio is greater than 0.414 required for exact fitting.
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Correct option: A
Both (A) and (R) are correct and (R) is the correct explanation of (A)
Option A is correct because in NaCl, each ion is surrounded by 6 ions, and the radius ratio is greater than 0.414, preventing the ions from touching each other.
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