Give the correct order of initials \( \mathrm{T} \) (true) or \( \m...

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Give the correct order of initials \( \mathrm{T} \) (true) or \( \mathrm{F} \) (False) for following statements :
I. In an anti-fluorite structure anions form FCC lattice and cations occupy all tetrahedral voids.
(N)
II. If the radius of cations and anions are \( 0.2 \AA \) and \( 0.95 \AA \) then coordinate number of cation in the crystal is 4 .
III. An atom/ion is transferred from a lattice site to an interstitial position in Frenkel defect.
IV. Density of crystal always increases due to substitutinal impurity defect.
(A) TFFF
(B) FTTF
(C) TFFT
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