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Define the following term as related to proteins:
Denaturation
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A solution containing 15 g urea (molar mass = 60 g mol–1) per litre of solution in water has the same osmotic pressure (isotonic) as a solution of glucose (molar mass = 180 g mol–1) in water. Calculate the mass of glucose present in one litre of its solution.
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Write the structure of 2-hydroxybenzoic acid.
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Explain the following term with a suitable example:
F-centres
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If NaCl is doped with 10−3 mol % of SrCl2, what is the concentration of cation vacancies?
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Calculate the osmotic pressure in pascals exerted by a solution prepared by dissolving 1.0 g of polymer of molar mass 185,000 in 450 mL of water at 37°C.
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At 300 K, 36 g of glucose present in a litre of its solution has an osmotic pressure of 4.98 bar. If the osmotic pressure of the solution is 1.52 bars at the same temperature, what would be its concentration?
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Determine the amount of CaCl2 (i = 2.47) dissolved in 2.5 litre of water such that its osmotic pressure is 0.75 atm at 27°C.
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Determine the osmotic pressure of a solution prepared by dissolving 25 mg of K2SO4 in 2 liter of water at 25°C, assuming that it is completely dissociated.
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What is the difference between multimolecular and macromolecular colloids? Give one example of each. How are associated colloids different from these two types of colloids?
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What are micelles? Give an example of a micellers system.
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Calculate the overall complex dissociation equilibrium constant for the Cu(NH3)42+ ion, given that β4 for this complex is 2.1 × 1013.
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What is meant by stability of a coordination compound in solution?
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Where does the water present in the egg go after boiling the egg?
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What is the effect of denaturation on the structure of proteins?
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Write a short note on diazotisation.
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Give the IUPAC name of the following compound:
PhCH2CH2COOH
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Give the IUPAC name of the following compound:
(CH3)2C=CHCOOH
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Give the IUPAC name of the following compound:
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Give the IUPAC name of the following compound:
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