Advertisements
Advertisements
Question
Assertion: Colloidal solutions show colligative properties.
Reason: Colloidal particles are large in size.
Options
Assertion and reason both are correct and the reason is correct explanation of assertion.
Assertion and reason both are correct but reason does not explain assertion.
Assertion is correct but reason is incorrect.
Both assertion and reason are incorrect.
Assertion is incorrect but reason is correct.
Advertisements
Solution
Assertion and reason both are correct but reason does not explain assertion.
Explanation:
Colloidal particles are large in size and hence the number of particle is lesser than the true solution. The lesser number of particles causes lower colligative properties.
APPEARS IN
RELATED QUESTIONS
Define the following term:
Zeta potential
Explain what is observed when a beam of light is passed through a colloidal sol.
Explain the term Electrophoresis
Explain the terms Dialysis
What happens when persistent dialysis of a colloidal solution is carried out?
Answer the following question.
Why are medicines more effective in the colloidal state?
Which of the following will show Tyndall effect?
The values of colligative properties of colloidal solution are of small order in comparison to those shown by true solutions of same concentration because of colloidal particles ______.
Assertion: An ordinary filter paper impregnated with collodion solution stops the flow of colloidal particles.
Reason: Pore size of the filter paper becomes more than the size of colloidal particle.
Assertion: Coagulation power of Al3+ is more than Na+.
Reason: Greater the valency of the flocculating ion added, greater is its power to cause precipitation (Hardy Schulze rule).
Which of the following is used for removing change on colloidal solution?
Gold number is associated with:-
What is electrophoresis?
Why a negatively charged sol is obtained when AgNO3 solution is added to KI solution?
The conditions given below are in the context of observing Tyndall effect in colloidal solutions:
- The diameter of the colloidal particles is comparable to the wavelength of light used.
- The diameter of the colloidal particles is much smaller than the wavelength of light used.
- The diameter of the colloidal particles is much larger than the wavelength of light used.
- The refractive indices of the dispersed phase and the dispersion medium are comparable.
- The dispersed phase has a very different refractive index from the dispersion medium.
Choose the most appropriate conditions from the options given below:
In order to cause coagulation of 100 ml Arsenious sulphide sol 111.7 mg of 2 M NaCl solution is used, the coagulation value of NaCl will be ______.
