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Two solutions have different osmotic pressures. The solution of higher osmotic pressure is called ____________.
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At constant temperature the osmotic pressure of a solution is ____________.
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The inner transition metals of 5f series are known as ____________.
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Anisole is called ____________.
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20 g of a substance were dissolved in 500 mL of water and the osmotic pressure of the solution was found to be 600 mm of mercury at 15°C. The molecular weight of the substance is ______.
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The average osmotic pressure of human blood is 7.8 bar at 37°C. What is the concentration of an aqueous NaCl solution that could be used in the blood stream?
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Osmotic pressure of a solution is 0.0821 atm at a temperature of 300 K. The concentration in moles/litre will be:
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An ether is more volatile than alcohol having the same molecular formula. This is due to:
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Which of the following will have metal deficiency defect?
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A solution containing 10 g per dm3 of urea (molar mass 60 g mol−1) is isotonic with 5% solution of non-volatile solute, MB of solute is:
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The temperature at which 10% aqueous solution of (W/V) of glucose will show the osmotic pressure of 16.4 atoms is: (R = 0.082 L atom K−1 mol−1)
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Assertion: Both rhombic and monoclinic sulphur exist as S8 but oxygen exists as O2.
Reason: Oxygen forms pπ – pπ multiple bonds due to small size and small bond length but pπ – pπ bonding is not possible in sulphur.
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Which of the following is a non-stoichiometric defect?
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Pink colour of LiCl crystals is due to ______.
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Maximum oxidation state exhibited by Chlorine is ______.
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Why does table salt, NaCl, sometimes appear yellow in colour?
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Why does white ZnO (s) becomes yellow upon heating?
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Match the types of defect given in Column I with the statement given in Column II.
| Column I | Column II |
| (i) Impurity defect | (a) NaCl with anionic sites called F-centres |
| (ii) Metal excess defect | (b) FeO with Fe3+ |
| (iii) Metal deficiency defect | (c) NaCl with Sr2+ and some cationic sites vacant |
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A sample of ferrous oxide has actual formula Fe0.93O1.00. In this sample what fraction of metal ions are Fe2+ ions? What type of nonstoichiometric defect is present in this sample?
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At a given temperature, osmotic pressure of a concentrated solution of a substance ______.
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