If radius of anion is double that of cation, coordination number of cation and type of hole occupied…

If radius of anion is double that of cation, coordination number of cation and type of hole occupied respectively are
  1. 3, trigonal
  2. 4, tetrahedral
  3. 8, cubic
  4. 6, octahedral

Solution

$\frac{\varepsilon_{\text {anion }}}{\varepsilon_{\text {cation }}}=2$ Coordination no $=6$ Octahedral.

Asked in: MHT CET 2020 (20 Oct Shift 2)

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