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Which of the following concentration terms is/are independent of temperature - Chemistry

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प्रश्न

Which of the following concentration terms is/are independent of temperature

पर्याय

  • molality

  • molarity

  • mole fraction

  • molality and molarity

MCQ

उत्तर

molality and molarity

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पाठ 9: Solutions - Evaluation [पृष्ठ ६१]

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सामाचीर कलवी Chemistry - Volume 1 and 2 [English] Class 11 TN Board
पाठ 9 Solutions
Evaluation | Q I. 2. | पृष्ठ ६१

संबंधित प्रश्‍न

Define an ideal solution and write one of its characteristics.


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 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 ______.


The mass of a non – volatile solute (molar mass 80 g mol-1) should be dissolved in 92g of toluene to reduce its vapour pressure to 90% ______.


State Raoult law and obtain the expression for lowering of vapour pressure when the nonvolatile solute is dissolved Insolvent.


For ideal solution the enthalpy of mixing of the pure components to form the solution is ____________.


Intermolecular forces between two benzene molecules are nearly of same strength as those between two toluene molecules. For a mixture of benzene and toluene, which of the following are not true?

(i) ∆mix H = zero

(ii) ∆mix V = zero

(iii) These will form minimum boiling azeotrope.

(iv) These will not form ideal solution.


What is “semi permeable membrane”?


Lowering of vapour pressure of an aqueous solution of a non-volatile, non-electrolyte 1 molal aqueous solution at 100°C is ______.


Suggest the most important type of intermolecular attractive interaction in the following pair.

I2 and CCl4


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