Latest KVPY Aptitude Question SOLUTION: 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)

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Previous Question: For the reaction A → B, ΔHº = 7.5 mol–1 and ΔSº = 2.5 J mol–1. The value of ΔGº and the temperature at which the reaction reaches equilibrium are, respectively, (A) 0 kJ mol–1 and 400 K (B) –2.5 kJ mol–1 and 400 K (C) 2.5 kJ mol–1 and 200 K (D) 0 kJ mol–1 and 300 K Next Question: 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-

(#M40027319) KVPY question Mental Ability-2010 Keep an EYE

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: Asked In KVPY MAN (12 years ago); Unsolved; Is this Puzzle helpful? (1) (1) Submit Your Solution

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Previous Question: For the reaction A → B, ΔHº = 7.5 mol–1 and ΔSº = 2.5 J mol–1. The value of ΔGº and the temperature at which the reaction reaches equilibrium are, respectively, (A) 0 kJ mol–1 and 400 K (B) –2.5 kJ mol–1 and 400 K (C) 2.5 kJ mol–1 and 200 K (D) 0 kJ mol–1 and 300 K Next Question: 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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