Explain what is observed when :(i) A beam of light is passed through a colloidal solution.(ii) NaCl solution is added to hydrated ferric oxide sol.(iii) Electric current is passed through a colloidal solution.

Q: True or False A drop of saturated ammonium chloride used in the separation of Group II cations…

A: Salt analysis is a technique to identify the distinct cation and anion present in any inorganic…

Q: What is the Ka of a monoprotic acid in which an 0.05272 M solution exerts an osmotic pressure of…

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Q: :The water of crystallization in NaCl. 4H2O is

A: The water of crystallization are the number of water molecules attached to a single formula unit of…

Q: What mass of AgNO3 has been dissolved in 200g of H2O if the solution is 0.300 molality?

A: Molality is represented by ‘m’ and is defined as the number of moles of solute present in 1 kg of…

Q: Calculate the solubility of carbon dioxide in water at 25°C when its partial pressure is 0.2 atm.…

A: Given: Partial pressure of CO2 = 0.2 atm Henry's law constant of CO2 in water = 0.031 atm/mol-L

Q: Describe how you would distinguish experimentallybetween a colloidal dispersion and a suspension

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Q: A solution of H, SO,(aq) with a molal concentration of 4.80 m has a density of 1.249 g/mL. What is…

A: Given : Molal concentration of H2SO4 =4.80m Density=1.249 g/mL Knowing the molal concentration, by…

Q: How can the Tyndall effect be used to distinguishbetween a colloid and a solution? Why?

A: The scattering of the light by the particles that are suspended in the medium is called as Tyndall…

Q: Describe how you would distinguish experimentally between atrue solution and a colloidal dispersion.

A: A true solution is homogeneous in nature whereas a colloidal solution is heterogeneous. The…

Q: It is a process in which a coagulated colloid reverts to its original dispersed state.…

A: Coagulation is a process in which the liqid blood converts into wax (gel) form by clotting of blood.…

Q: What is the Tyndall effect, and how can it be used to help identify colloidal dispersions?

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Q: Coagulation is achieved by various mechanisms, which reduces the Zeta-potential and subsequently…

A: Introduction :-  Coagulation :-  The precipitation of collides by removal of charge associated with…

Q: A colloidal suspension of negatively charged particles is to be destabilised by the addition of a…

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Q: Determine the molality of a 5.001 wt % aqueous solution of LICl.

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Q: What happens in the following activities and why?(i) An electrolyte is added to a hydrated ferric…

A: The substance which is formed by the combination of oppositely charged ions is known as electrolyte…

Q: The Henry’s law constant for argon gas in water at room temperature is 5.4 × 105 torr/M.  What is…

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Q: Dispersion methods for obtaining colloidal systems. For which sols are these methods applicable?

A: Dispersion methods are the methods which are used for the preparation of colloids. The particles of…

Q: Does the zeta potential of colloidal particles depends on pOH

A: Zeta potential is a potential difference between dispersion medium and layer of fluid (stationary…

Q: Calculate the freezing point of a 10.50 m aqueous solution of sucrose. Freezing point constants can…

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Q: A colloid is a 2 phase system containing dispered particles from (-1nm to 0.5-1um) discuss…

A: It is the method of colloidal delivery of a drug to a particular location inside the body without…

Q: Which of the following techniques can be used to decrease the stability of an aqueous colloidal…

A: Every colloidal particle have same charge so repulsion takes place and so they are dispersed in…

Q: What is the molality of HCI in a aqueous solution in which the mole fraction of HCI is 0.220?

A: Given - - > Mole Fraction of HCl = 0.220 Molality of HCl = ?

Q: How do the presence or absence of partial charges at the molecular scale help explain a liquid's…

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Q: A solution of H, SO,(aq) with a molal concentration of 5.25 m has a density of 1.266 g/mL. What is…

A: Given: Molality of H2SO4 = 5.25 m = 5.25 mol/kg Density of H2SO4 = 5.25 g/mL

Q: How we can distinguishe between the homogeneous and heterogenous and colloidal mixture And can we…

A: Homogeneous mixture: Particles are uniformly distributed. They cannot be differentiate by eyes. It…

Q: As shown in the following Figure, an aqueous solution of Nal is poured into an aqueous solution of…

A: When two solutions of the ionic compounds are mixed and the precipitates are formed suggest that one…

Q: Explain the meaning of the van Hoff factor and its role in determining the colligative properties of…

A: The properties which are dependent on the number of solute particles are termed as Colligative…

Q: How does temperature influence the surface tension and viscosity of colloidal solutions and ionic…

A: Surface tension and viscosity are the physical properties of the liquid. Viscosity is the resistance…

Q: Calculate the molality of a solution composed of 4.5g of AgNO3 in 250mL of aqueous solution.

A: The answer to the following question can be calculated as -

Q: What is the solubility of potassium chloride at 20 degrees Celsius?

A: The solubility of different salts in water at a particular temperature can be judged from the…

Q: The process of settling of colloidal particles is called .... Select one: a. crystallization b.…

A: Colloidal particles can be defined as the particles whose size ranges from manometers to micrometres

Q: The molar mass of the hormone is 775.7473684g/mol. What is the osmotic pressure in kpa of a 0.145M…

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Q: Benzoic acid, C6H5COOH, is much more soluble in NaOH(aq) than it is in pure water. Can you suggest a…

A: Water is a polar solvent and it can dissolve an ionic or polar covalent compound. Ionic compounds…

Q: If the solubility of barium fluoride at a temperature of 20 degrees Celsius, 0.16gm / 100ml of…

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Q: What is the molality of the soluton when a 27g of Sucrose (C6H12O6) is dissolved in 320g of water.

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Q: A solution of H,SO,(aq) with a molal concentration of 3.22 m has a density of 1.183 g/mL. What is…

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Q: lonic exchange describes the process in which ions absorbed to colloids can exchange with ions in…

A: The given options are,

Q: To obtain a precipitate which is useful for gravimetric analysis, the analyst tries to obtain…

A:

Q: A solution of H,SO, (aq) with a molal concentration of 1.66 m has a density of 1.104 g/mL. What is…

A: The relation between molality, molarity and density is given as:

Q: How can a colloidal solution and true solution of the same colour be distinguished from each other?

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Q: What is the normality of a 0.010M aqueous solution of the salt Ce(SO4)2?

A: The molarity of the solution can be calculated using molecular weight but the normality of the…

Q: Which of the following amounts of copper sulfate is required to make 400 mL of an aqueous stock…

A: Initial volume of stock solution = 400 ml Dilution factor = 50 Final volume of stock solution = 50 ×…

Q: Write an expression for molarity and molality of a solution.

A: Molarity and molality both are the concentration terms. Molarity is seen in terms of volume whereas…

Q: What is the molality of HCl in an aqueous solution in which the mole fraction of HCl is 0.220

A: Sum of Mole fraction of all components in solution = 1 In the solution, only 2 compounds are present…

Q: Which of the following best describe the coagulation of particles?   A. Numbers of particles come…

A: Coagulation is a process of combining particles, colloids and dissolves organic  material into large…