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How muCHM molecular mass of NaCl is obta...

How muCHM molecular mass of `NaCl` is obtained experimentally using colligative properties ?

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To determine the experimental molecular mass of NaCl using colligative properties, we can follow these steps: ### Step-by-Step Solution: 1. **Understand the Concept of Colligative Properties**: Colligative properties depend on the number of solute particles in a solution and not on the nature of the solute. The Van 't Hoff factor (i) is crucial in this context. 2. **Identify the Van 't Hoff Factor (i)**: ...
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Explain the term 'colligative property'. Why do we sometimes get abnormal molecular masses of the substances using colligative properties of the solution?

Why do we get abnormal molecular masses of the substances using colligative properties of solutions only sometimes ? What are the natures of these abnormalities?

A: Observed molecular mass of CaCl_2 determined by any colligative property is less than ideal molecular mass. R: CaCl_2 ionised in water as it is strong electrolyte.

(a) What is glacial acid and why is it called so ? (b) What is vinegar and how is it prepared ? ( c) The experimentally determined (by colligative properties method) molecular weight of acetic acid in the vapour state is 120 . Explain why.

Compreshension -I The experimental values of colligative properties of many solutes in solution resembles calculated value of colligative properties. However in same cases, the experimental value of colligative property differ widely than those obtained by calculation. Such experimental values of colligative properties are known as Abnormal values of colligative properties are : (i) Dissociation of solute : It increases the colligative properties. (ii) Association of solute : It decreases the colligative properties e.g. : Dimerisation of acetic acid in benzene If degree of dissociation of an electrolyte A_(2)B_(3) is 25% in a solvent, then

Assertion:Molecular mass of KCl calculated on the basis of colligative properties will be lower than the normal molecular mass. Reason : Experimentally determined molar mass of always lower than the true value .

Compreshension -I The experimental values of colligative properties of many solutes in solution resembles calculated value of colligative properties. However in same cases, the experimental value of colligative property differ widely than those obtained by calculation. Such experimental values of colligative properties are known as Abnormal values of colligative properties are : (i) Dissociation of solute : It increases the colligative properties. (ii) Association of solute : It decreases the colligative properties e.g. : Dimerisation of acetic acid in benzene One mole I_(2) (solid) is added in 1 M, 1 litre Kl solution . Then

Compreshension -I The experimental values of colligative properties of many solutes in solution resembles calculated value of colligative properties. However in same cases, the experimental value of colligative property differ widely than those obtained by calculation. Such experimental values of colligative properties are known as Abnormal values of colligative properties are : (i) Dissociation of solute : It increases the colligative properties. (ii) Association of solute : It decreases the colligative properties e.g. : Dimerisation of acetic acid in benzene 4 different 100 ml solutions are prepared by mixing 1 gram each of NaCl (NH_(2))_(2)CO.Na_(2)SO_(4) and K_(4)[Fe(CN)_(6)] at temperature T. Correct order of osmotic pressure is

What will be the molecular weight of NaCl determined experimentally following elevation in the boiling point or depression in freezing point method?

What will be the molecular weight of NaCl determined experimentally following elevation in the boiling point or depression in freezing point method?

CENGAGE CHEMISTRY ENGLISH-NCERT BASED EXERCISE-Short Answer Type Questions
  1. Name the compound which shows anti-ferroelectric property.

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  2. When and why is molality preferred over molarity in handling solution ...

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  3. What is the effect of temperature on the molality of solution?

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  4. Which aqueous solution has higher concentration , 1 molar or 1 molal ...

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  5. Why vapour pressure of a liquid decreases when a non- volatile solute ...

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  6. 10dm^(3) of a liquid A was mixed with 10dm^(3) of liquid B . The volum...

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  7. What do you expect to happen when red blood corpuscles (RBCs) are plac...

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  8. What will happen to the boiling point of a solutin if the weight of th...

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  9. What type of liquids form ideal solutions?

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  10. How muCHM molecular mass of NaCl is obtained experimentally using coll...

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  11. Why an azeotropic mixture gets distilled without any CHMange is compos...

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  12. Why do radioactive element decay?

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  13. How can a nucleus lose electrons (beta-particles) even though free ele...

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  14. What is the total life of a radioactive element ?

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  15. What is the source of radioactive CO(2) in the atmosphere?

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  16. What are transactinides ? To which block do they belong ?

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  17. Why is synthesis of transactinides difficult ?

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  18. Name the fundamental particle which exists in the nucleus

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  19. Which radioactive metal is used as an ingredient of atomic explosive w...

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  20. C-14 is formed in the upper atmosphere. Why it does not occur at the ...

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