The vant Hoff factor (i) for a dilute aqueous solution of the strong electrolyte barium hydroxide is
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The percentage of pyridine (C5H5N) that forms pyridinium ion (C5H5N+H) in a 0.10 M aqueous pyridine solution (Kb for C5H5N = 1.7 × 10–9) is
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In calcium fluoride, having the fluorite structure, the coordination numbers for calcium ion (Ca2+) and fluoride ion (F–) are
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If the $E_{cell}^0$ for a given reaction has a negative value, which of the following gives the correct relationships for the values of ΔG0 and Keq?
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Which one of the following is incorrect for ideal solution?
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The solubility of AgCl (s) with solubility product 1.6 × 10–10 in 0.1 M NaCl solution would be
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Suppose the elements X and Y combine to form two compounds XY2 and X3Y2. When 0.1 mole of XY2 weights 10 g and 0.05 mole of X3Y2 weights 9 g, the atomic weights of X and Y are
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The number of electrons delivered at the cathode during electrolysis by a current of 1 ampere in 60 seconds is (charge on electron = 1.60 × 10–19 C)
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Boric acid is an acid because its molecule
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AIF3 is soluble in HF only in presence of KF. It is due to the formation of
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