MHT CET Chemistry question

Chemistry The Solid State MHT CET

Not in JEE Main or NEET syllabus

Sodium crystallises in bcc arrangement with the interfacial separation between the atoms at the edge length of 53 pm. The density of the solid is

(A)1.23 g/ccCorrect
(B)485 g/cc
(C)4.85 g/cc
(D)123 g/cc

Answer: (A)

Solution

Along the edge of a bcc cell the surface-to-surface gap is pm with , so and pm; with ,

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Question ID VK-043179