MHT CET 2026 Chemistry question

Not in JEE Main or NEET syllabus

Gold crystallizes as fcc unit cell, the edge length of unit cell is 408 pm. What is the radius of gold atom?

Answer: (C)

Solution

In an fcc unit cell the atoms touch along the face diagonal, which has length . So . Hence option (C). Traps: the bcc

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Question ID VK-101015