Published by:
CGP EDU Academic Team
Published on: August 14, 2026
Iron exhibits 
structure at room temperature. Above 
, it transforms to 
structure. The ratio of density of iron at room temperature to that at 
(assuming molar mass and atomic radii of iron remains constant with temperature) is
A
B
C
Text Solution
Verified by ExpertsThe correct answer is:
C
For 
lattice: 
For 
lattice: 
Given, molar mass and atom radii are constant.
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