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The oxidation number and coordination number of Pt in the complex [Pt(en)2(SCN)2]2+ are ____________ respectively.
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Which of the following pair represents one-dimensional nanomaterials?
Concept: undefined >> undefined
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Copper and silver have ____________ crystal structure.
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3 moles of an ideal gas is compressed from 50 dm3 to 30 dm3 against a constant external pressure of 3.039 × 105 N m−2. The work done in calories is ____________.
(1 J = 0.239 cal)
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____________ has the highest electronegativity next to fluorine amongst all the elements.
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For a zero order reaction, the plot of [A]t vs t is linear. The slope of the line is equal to ____________.
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The IUPAC name of the complex [Pt(en)2(SCN)2]2+ is ____________.
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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?
Concept: undefined >> undefined
