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प्रश्न
Suggest the most important type of intermolecular attractive interaction in the following pair.
n-hexane and n-octane
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उत्तर
Dispersion (London) forces, because both are non polar.
संबंधित प्रश्न
How is the sign of ΔmixH related to positive deviations from Raoult’s law?
Define an ideal solution and write one of its characteristics.
What type of intermolecular attractive interaction exists in the pair of methanol and acetone?
Fill in the blanks by choosing the appropriate word/words from those given in the brackets:
Ideal solutions obey ………. law and they …………. form azeotropic mixtures.
(Henry’s, aldol condensation, absence, do not, ohm, Raoult’s, increases, common ion effect, easily, three, solubility product, ohm-1, two, four, ohm-1, cm2, Cannizzaro, ohm-1 cm-1, zero, decreases, presence)
The partial pressure of nitrogen in air is 0.76 atm and its Henry’s law constant is 7.6 × 104 atm at 300 K. What is the mole fraction of nitrogen gas in the solution obtained when air is bubbled through water at 300 K?
The KH for the solution of oxygen dissolved in water is 4 × 104 atm at a given temperature. If the partial pressure of oxygen in air is 0.4 atm, the mole fraction of oxygen in solution is ______.
Two liquids X and Y on mixing gives a warm solution. The solution is ______.
Which solution has the lower freezing point? 10 g of methanol (CH3OH) in 100g g of water (or) 20 g of ethanol (C2H5OH) in 200 g of water.
For ideal solution the enthalpy of mixing of the pure components to form the solution is ____________.
Concentration terms such as mass percentage, ppm, mole fraction and molality are independent of temperature, however molarity is a function of temperature. Explain.
Why soda water bottle kept at room temperature fizzes on opening?
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Assertion: Molarity of a solution in liquid state changes with temperature.
Reason: The volume of a solution changes with change in temperature.
Dissociation constant and molar conductance of an acetic acid solution are 1.78 × 10–5 mol L–1 and 48.15 S cm–2 mol–1 respectively. The conductivity of the solution is (considering molar conductance at infinite dilution is 390.5 S cm–2 mol–1)
How many times more hydrogen ions in a solution with a pH of 3 than in a solution with a pH of 6
If liquids A and B form an ideal solution, the ______.
Suggest the most important type of intermolecular attractive interaction in the following pair.
Methanol and acetone
