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MHT CET Chemistry question

ChemistryThe Solid StateMHT CET

Not in JEE Main or NEET syllabus

Each rubidium halide crystallizing in the NaCl type lattice has a unit cell length 0.30 greater than for corresponding potassium salt () of the same halogen. Hence, ionic radius of is

Answer: (C)

Solution

The edge is , so the difference , giving

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Question ID VK-042737