MHT CET Chemistry question

ChemistryThe Solid StateMHT CET

Not in JEE Main or NEET syllabus

Ammonium chloride crystallizes in a body-centred cubic lattice with edge length of unit cell equal to 387 pm. If the size of ion is 181 pm, the size of ion would be

Answer: (B)

Solution

In a bcc-type (CsCl) cell the ions touch along the body diagonal: pm, so

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Question ID VK-042786