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JEE Main Chemistry question

ChemistryThe Solid StateJEE Main

Not in JEE Main or NEET syllabus

Atoms of element form an fcc lattice with edge length Å, while atoms of element form an fcc lattice with edge length Å. If the radius of atom is half the radius of atom , the value of is .

Answer: 2

Solution

For an fcc lattice, atoms touch along the face diagonal, so . Thus and

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Question ID VK-141855