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Define cryoscopic constant....

Define cryoscopic constant.

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### Step-by-Step Solution: 1. **Definition of Cryoscopic Constant**: - The cryoscopic constant is a property of a solvent that quantifies how much the freezing point of the solvent decreases when a solute is added. 2. **Notation**: - The cryoscopic constant is denoted by \( K_f \). ...
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Depression of freezing point of which of the following solutions does represent the cryoscopic constant of water ?

Assertion (A): Larger the value of cryoscopic constant of the solvent, lesser will be the freezing point of the solution. Reason (R ): Depression in the freezing point depends on the nature of the solvent.

The freezing point of cyclohexane is 6.5^(@)C . A solution of 0.65g of naphthalene in 19.2g of cyclohexane froze at 1.2^(@)C . What is the molecular mass of naphthalene? The cryoscopic constant for cyclohexane is 20.1 K "mol"^(-1) kg.

Write the units of cryoscopic constant and ebullioscopic constant?

The cryoscopic constant value depends upon:

The cryoscopic constant of water is 1.86 K "mol"^(-1) kg. An aqueous solution of cane sugar freezes at -0.372^(@)C . Calculate the molality of the solution.

A weak electrolyte XY is 5% dissociated in water. What is the freezing point of a 0.01 molal aqueous solution of XY ? The cryoscopic constant of water is 1.86 K/m.

What is the percent by mass of iodine needed to reduce the freezing point of benzene to 3.5^(@)"C" ? The freezing point and cryoscopic constant of pure benzene are 5.5^(@)"C" and 5.12K/m respectively.

0.1 molal solution of Hg(NO_(3))_(2) freezes at 0.558^(@) C. The cryoscopic constant for water is 1.86 KKg mol^(-1) then what will be the percentage ionisation of salt ?

(a) Define dielectric constant. (b) How does dielectric constant affect SN^1 rates ? (c) Explain why solvolyses are much faster in EtOH than in acetone even though both solvents have the same dielectric constants.

ICSE-SAMPLE PAPER 2013-PART-II (SECTION-C)
  1. Define cryoscopic constant.

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  2. How can the following conversions be brought about: Nitro benzene to...

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  3. How can the following conversions be brought about: Propanoic acid t...

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  4. How can the following conversions be brought about: Benzoic acid to ...

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  5. Identify the compounds A, B, C, D, E and F:^(**"**)

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  6. Give balanced equations for the following: Acetamide is heated wit...

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  7. Benzaldehyde is treated with 50% sodium hydroxide solution.

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  8. Give any chemical test to distinguish between the following pair of co...

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  9. Give one chemical test to distinguish between the following pairs of c...

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  10. Name the type of isomerism exhibited by the following pairs of compoun...

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  11. Draw the possible isomers of the compound with molecular formula C(3)H...

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  12. Write balanced chemical equations for the following reactions : Oxa...

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  13. Write balanced chemical equations for the following reactions : Benz...

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  14. Write balanced chemical equations for the following reactions : Meth...

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  15. Write balanced chemical equations for the following reactions : Ethy...

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  16. An organic compound [A] having molecular formula C2 H7 N on treatment...

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  17. An organic compound [A] having molecular formula C2 H7 N on treatment...

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  18. Acetamide is amphoteric in nature. Give two equations to support this ...

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