MHT CET Chemistry question

Not in JEE Main or NEET syllabus

The CORRECT statement for rock salt structure is

(A)The tetrahedral voids are larger than octahedral voids
(B)The tetrahedral voids are unoccupied while octahedral voids are occupied by cationsCorrect
(C)The radius ratio is 0.732
(D)The radius ratio is 0.99

Answer: (B)

Solution

In rock salt Cl- ions form a ccp lattice, Na+ ions occupy all the octahedral voids and the tetrahedral voids remain empty;

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Question ID VK-042974