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The vapour pressure of pure benzene at a...

The vapour pressure of pure benzene at a certain tempreature is 0.850 bar. A non-volatile. non-electrolyte solid weighing 0.5g, when added to 39.0g of benzene (molar mass of benzene 78g `mol^-1`) vapour pressure of the solution then is 0.845 bar. What is the molar mass of the solid substance?

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The vapour pressure of pure benzene at certain temperature is 0.850 bars. A non-volatile, non-electrolyte solid weighing 0.5 grams when added to 39 grams of benzene (molar mass 78grams), vapour pressure of the solution becomes 0.845 bars. What is the molar mass of the solid substance?

The vapour pressure of pure benzene at a certain temperature is 640 mm of Hg. A non-volatile non-electrolyte solid weighing 2.175 g is added to 39 g of benzene. The vapour pressure of the solution is 600 mm of Hg. What is molecular weight of solid substance?

The vapour pressure of pure benzene at 50^(@) is 268 mm of Hg . How many moles of non-volatile solute per mole of benzene are required to prepare a solution of benzene having a vapour pressure of 16.0 mm of Hg at 50^(@)C ?

1.5 g of a non-volatile, non-electrolyte is dissolved in 50 g benzene ( K_b = 2.5 kg mol^(-1) ). The elevation of the boiling point of the solution is 0.75 K. The molecular weight of the solute in g mol^(-1) is :

The vapour pressure of pure benzene C_(6)H_(6) at 50^(@)C is 268 "torr" . How many moles of non-volatile solute per mole of benzene is required to prepare a solution of benzene having a vapour pressure of 167 "torr" at 50^(@)C ?

The vapour pressure of pure benzene C_(6)H_(6) at 50^(@)C is 268 "torr" . How many moles of non-volatile solute per mole of benzene is required to prepare a solution of benzene having a vapour pressure of 167 "torr" at 50^(@)C ?

34.95 ml of phosphorus vapour weighs 0.0625g at 0.1 bar pressure. What is the molar mass of phosphorus ?

The relative lowering of vapour pressure of an aqueous solution containing a non-volatile solute, is 0.0125. The molality of the solution is

OSWAAL PUBLICATION-Solved Paper 1-EXAMPLE
  1. The vapour pressure of pure benzene at a certain tempreature is 0.850 ...

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  2. The experimental value for the molar mass of a non-volatile solute is ...

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  3. Define ppm.

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  4. Which of the following has a higher value for molar conductivity under...

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  5. For the reaction A + B rarr P, the rate is given by Rate = K [A]^(1) [...

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  6. Name the biocatalyst involved in the conversion of glucose into ethano...

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  7. Write the formula of the volatile compound formed during the purificat...

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  8. What is the geometry of oxide of xenon formed when XeF(6) is hydrolyse...

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  9. Between chlorobenzene and chloroethane, which is more reactive towards...

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  10. Pentan-3- one does not undergo iodoform reaction. Give reason.

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  11. Name the nitrogenous base present in DNA but not in RNA.

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  12. What type of vacancy defect is shown by a crystal of sodium chloride?

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  13. Which of the following is an example of a molecular solid? Diamond, ...

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  14. i) According to the equation Cu^(2+)+2e^(-)rarrCu, how many moles of c...

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  15. Mention any one application of Kohlrausch law.

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  16. Derive the relation between half life and initial concentration of a z...

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  17. What is the common oxidation state shown by Lanthanoids? Mention any o...

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  18. C(2)H(5)OH+Na" (Metal)"rarr X, X+C(2)H(5)Br overset("Williamson reacti...

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  19. Explain the Wolff-Kischner reduction of acetone and write the equation...

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  20. Give an example of a narcotic analgesic.

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  21. Based on theraupatic action, to which class of drug does ranitidine be...

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