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Which of the following ions has d6 outer electronic configuration?
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The volume of hydrogen gas liberated at STP when 23 g of sodium is reacted with ethanol is ____________.
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The time taken for 80% of a first order reaction to be complete is approximately ____________.
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The initial concentration of reactant (A) is 2 mol dm−3 for a zero order reaction \[\ce{A -> B}\]. The rate constant (k) is related to its half-life `("t"_(1//2))` by the equation:
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Which of the following is NOT SI unit?
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The following statement is CORRECT EXCEPT:
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Which of the following is an extensive property?
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Consider the following unit cell.
The number of particles (spheres) per unit cell is:
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The rate of formation of B at time t for reaction \[\ce{2A -> 3B}\] is equal to ____________.
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In the reaction, \[\ce{2 KClO_{3(S)} -> 2KCl_{(s)} + 3O_{2(g)} \Delta H°}\] = - 78kJ. If 33.6 L of oxygen gas is liberated at STP, what is the mass of KCl(s) produced? (Atomic mass: K = 39, Cl = 35.5 g mol-1)
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The volume of oxygen required for complete combustion of 0.25 mole of methane at S.T.P. is ______.
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How many Faradays of electricity are required to deposit 20 g of calcium from molten calcium chloride using inert electrodes?
(Molar mass of calcium = 40 g mol−1)
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Which of the following statement is true for electrolytic cell?
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How much charge in coulombs is required for the reduction of one mole of Al3+ to Al?
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Consider the following half-cell reaction:
\[\ce{Au^{3+} + 3e^- -> Au_{(s)}}\]
How many coulombs of electricity is required to deposits 0.394 g of Au.
(Given - Molar mass of Au = 197 g mol−1)
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Identify the correct decreasing of relative tendency of metals to undergo oxidation from following.
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What is the time required to deposit one millimole of aluminium by passage of 9.65 ampere through aqueous solution of aluminium ions?
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The time required to deposit one millimole of monovalent metal by the passage of 9.65 amperes through aqueous solution of metal ion is ____________.
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During electrolysis of aqueous NaCl, the product obtained at cathode is ____________.
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The half-life of a first order reaction is 6.0 hour. How long will it take for the concentration of reactant to decrease from 0.4 M to 0.12 M?
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