मराठी
महाराष्ट्र राज्य शिक्षण मंडळएचएससी विज्ञान (सामान्य) इयत्ता १२ वी

Answer the following in one or two sentences. What is van’t Hoff factor?

Advertisements
Advertisements

प्रश्न

Answer the following in one or two sentences.

What is van’t Hoff factor?

एका वाक्यात उत्तर
Advertisements

उत्तर

The ratio of the observed (experimental) value of a colligative property to the normal (calculated) value of the same property is termed as van’t Hoff factor (i).

shaalaa.com
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 2: Solutions - Exercises [पृष्ठ ४५]

APPEARS IN

बालभारती Chemistry [English] Standard 12 Maharashtra State Board
पाठ 2 Solutions
Exercises | Q 2.05 | पृष्ठ ४५

संबंधित प्रश्‍न

A 0.1 m solution of K2SO4 in water has a freezing point of –4.3°C. What is the value of van’t Hoff factor if Kf for water is 1.86 K kg mol–1?


Answer the following in one or two sentences.

How is van’t Hoff factor related to degree of ionization?


Answer the following in one or two sentences.

Which of the following solution will have higher freezing point depression and why?

i. 0.1 m NaCl

ii. 0.05 m Al2(SO4)3


Derive the relationship between the degree of dissociation of an electrolyte and van’t Hoff factor.


At T (K), the molar ionic conductivities of NH; and OH at infinite dilution are 72 and 198 S cm2 mol−1 respectively. The molar conductivity of 0.01 M NH4OH solution at the same temperature is found to be 9 S cm2 mol−1. The percentage dissociation of NH4OH at this concentration is ____________.


Calculate van't Hoff-factor for 0.2 m aqueous solution of KCl which freezes at - 0.680°C. (Kf = 1.86 K kg mol-1).


If the van't Hoff-factor for 0.1 M Ba(NO3)2 solution is 2.74, the degree of dissociation is ______.


Osmotic pressure of a urea solution at 10°C is 500 mm Hg. Osmotic pressure of the solution become 105.3 mm Hg, when it is diluted and temperature is raised to 25°C. The extent of dilution is ____________.


0.6 g of a solute is dissolved in 0.1 L of a solvent which develops an osmotic pressure of 1.23 atm at 27°C. The molecular mass of the solute is ______.


The osmotic pressure of a solution containing 10 g of cane sugar dissolved in 100 mL of water at 70°C is ____________.


Which of the following salts of same concentration will have same value of van't Hoff factor as that of K4[Fe(CN)6]?


Which of the following equation is correct to determine osmotic pressure using van't Hoff equation?


Which of following 0.1 m aqueous solution exhibits highest osmotic pressure at 25°C?


0.01 m aqueous formic acid solution freezes at – 0.021°C. Calculate its degree of dissociation, Kf = 1.86 K kg mol–1.


Write modification of expressions of colligative properties with the help of van't Hoff factor.


Calculate the van't Hoff factor assuming the complete dissociation of NaBr in its aqueous solution.


Calculate ΔTb and boiling point of 0.05 m aqueous solution of glucose. (Given: Kb = 0.52 K m−1).


The value of van't Hoff factor will be minimum for ______.


For 1 molal aqueous solution of the following compounds, which one will show the highest freezing point?


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×