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Which of the following statement (s) is/are incorrect for pair of elements Zr - Hf?
Concept: undefined >> undefined
Solubility of which among the following solids in water changes slightly with temperature?
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In a solution of CuSO4, how much time will be required to precipitate 2 g copper by 0.5 ampere current?
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An element having an atomic radius of 0.14 nm crystallizes in an fcc unit cell. What is the length of a side of the cell?
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The conversion of ethyl bromide using sodium iodide and dry acetone, this reaction is know as ______.
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Which of the following compounds has lowest boiling point?
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Omeoprazole and lansoprazole are used as ______.
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Which among the following cations forms a least stable complex if the ligand is same?
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What is the product formed when aniline is treated with \[\ce{NaNO2 + HCl}\] previous to hydrolysis?
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Identify the conjugate acid - base pair in the following reaction.
\[\ce{H2O + HCl -> H3O+ + Cl-}\]
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Which among the following is not the method of preparation of phenol?
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What is the IUPAC name of \[\ce{(CH3)2 - N - CH3}\]?
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A certain reaction occurs in two steps as
(i) \[\ce{2SO2(g) + 2NO2(g) -> 2SO3(g) + 2NO(g)}\]
(ii) \[\ce{2NO(g) + O2(g) -> 2NO2(g)}\]
In the reaction:
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Identify the product ‘C’ in the following reaction.
\[\ce{Aniline ->[(CH3CH)2O][Pyridine] A ->[Br2][CH3COOH] B ->[H^+ or OH^-] C}\]
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Which of the following compounds reacts immediately with Lucas reagent?
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The number of moles of electrons passed when the current of 2 A is passed through a solution of electrolyte for 20 minutes is ______.
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What is the number of donor atoms in dimethylglyoximato ligand?
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The solubility of a gas in a liquid is directly proportional to the pressure of the over the solution is stated by ______.
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Calculate the solubility of gas in water at 1.2 atm and 25° C, if Henry’s law constant is 0.145 mol dm−3 atm−1 at 25° c.
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Choose the false statement from the following.
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