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see attachment then what us the possible AgI lattice pls explain

see attachment
then what us the possible AgI lattice 
pls explain

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Grade:12

1 Answers

Vasantha Kumari
askIITians Faculty 38 Points
9 years ago

The structure of AgI is based on the bcc array of I- ions. Here I- ion in the array is surrounded by eight equidistant I- ions. The structure is also explained in terms of space-filling truncated octahedron.

The Ag+ ions have been moving through the lattice also described at molten sublattice of Ag+ ions.

Co-ordination number of AgI =6.

The structure is FCC and r+ and r- is 126 / 216 = 0.58

Thanks & Regards,

Vasantha Sivaraj,

askIITians faculty

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