Conductance of Electrolytic Solution

Q. Why are acids good conductors of eletricity ?

Q. In saturated solution of Mg(OH)2 degree of dissociation is alpha. Find concentration of mg(OH)2 if concentration of OH- is 2 Alpha 1/alpha 2alpha 1/2alpha

Q.

The degree of dissociation of an electrolyte increases by:

1. increasing the concentration of the solution
2. presence of a common ion
3. using solvent of a low dielectric constant
4. using solvent of a high dielectric constant

Q. (i) What is specific conductivity? What is its relation with specific resistance? What is its unit?
(ii) Write Ohm's law?

Q. What is the unit of conductance?

1. $Erg$
2. $siemens$
3. $ohms$
4. $\frac{metre}{Siemens}$

Q. Conductivity of metal decreases with temperature while conductivity of electrolytic conductors :

1. increases with temperature
2. remains same
3. slightly increases with temperature
4. slightly decreases with temperature

Q. Which of the following electrolytic solutions has the least specific conductance?

1. 0.02N
2. 0.2N
3. 2N
4. 0.002N

Q. Water may contain salts which -

1. Form ions and conduct electricity
2. Are inflammable
3. Fire resistant
4. All of these

Q. Which of the following plot correctly represents the variation of concentration of a surfactant (e.g. sodium doedecyl sulphate) versus molar conductivity with regard to behavior at CMC?

1. a
2. b
3. c
4. d

Q. Match the items given in list I with those in list II.

Q. The conductance in electrolytic solutions is due to flow of ions which are produced by decomposition of matter.

1. True
2. False