Please select a subject first
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The IUPAC name of the complex [Co(C2O4)3]3− is ____________.
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Which of the following statements is INCORRECT?
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What is the atomicity of aluminium phosphate?
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9 gram anhydrous oxalic acid (mol. wt. = 90) was dissolved in 9.9 moles of water. If vapour pressure of pure water is pf the vapour pressure of solution is ______.
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The rate constant of a first order reaction is 3 × 10−6 per s. If the initial concentration is 0.10 mol dm−3, the initial rate of reaction is ____________.
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Which of the following ions will have spin-only magnetic moment equal to 1.73 BM?
Sc3+, Ti3+, Fe2+, Cu2+, Co2+
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The total number of electrons present in 20 mL of water is ____________.
(Density = 1 g mL−1)
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Which among the following has the highest boiling point?
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In a first order reaction, the concentration of the reactant, decreases from 0.8 mol dm−3 to 0.4 mol dm−3 in 15 minutes. The time taken for the concentration to change from 0.1 mol dm−3 to 0.025 mol dm−3 is ____________.
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At a certain temperature, the solubility product of MX is 6.4 × 10−5. The solubility of salt in mol L−1 is ____________.
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In a first order reaction, the concentration of the reactant is reduced to 25% in one hour. The half-life period of the reaction is ____________.
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The number of atoms in 500 g of a fcc crystal of a metal with density d = 10 g/cm3 and cell edge 100 pm, is equal to ____________.
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During the electrolysis of molten NaCl, the time required to produce 0.10 mol of Cl2 gas using a current of 2 amperes is ____________.
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The CORRECT increasing order of ionization enthalpy is ____________.
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What is the order of reaction if the unit of rate constant (k) is mol dm−3 s−1?
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The valence shell electronic configuration of V3+ ion is ____________.
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Which of the following set represents weak acids?
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The temperature of 32°C is equivalent to ______.
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Spin-only magnetic moment of Mn2+ ion is ____________.
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In the electrolysis of aqueous sodium chloride with inert electrodes the products obtained at anode and cathode respectively are ______.
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