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A metal with an atomic radius of 141.4 pm crystallizes in the face centred cubic structure. The volume of the
unit cell in pm is-

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The solubility product of Mg(OH)2 is 1.0 × 10–12. Concentrated aqueous NaOH solution is added to a 0.01 M
aqueous solution of MgCl2. The pH at which precipitation occur is-
(A) 7.2 (B) 7.8 (C) 8.0 (D) 9.0 The Crystal Field Stabilization Energy (CPSE) and the spin-only magnetic moment in Bohr Magneton (BM)
for the complex K3[Fe(CN)6] are, respectively-