Factors Affecting Conductance

Q. The conductance of 0.01N CH3COOH solution is 4.5×10^-4 ohm inverse. which is present in a tube having length 6cm and cs area 36cm square. The molar conductivity of the solution is

Q.

Which is a better oxidizing agent cl2 or f2

Q.

An example for a strong electrolyte is

1. Urea

2. Ammonium hydroxide

3. Sugar

4. Sodium acetate

Q.

Is diazonium salt an electrophile?

Q. Q1 Calculate the mass of hydrogen evolved by passing a current of 0.5A for 40 minutes through acidulated water.

Q. In an aqueous solution, the electrolytes dissociate to give:

1. Negative ions
2. Positive ions
3. Neutral ions
4. Both (a) and (b)

Q. Why is it not possible to determine molar conductivity at infinite dilution of weak electrolyte by extrapolation?

Q. The factor(s) which affect conductivity of a solution is/are:

1. Charge and size of ions
2. Concentration of ions
3. Ease with which the ions move under a potential gradient
4. All of the above.

Q. how can equimolar solution of non-electrolyte in the same solvent have same bp and fp when their value depends on their respective molal constants?

Q. Select the incorrect statement(s) regarding conductivity of electrolytic (ionic) solution.

1. It increases with increases in temperaure.
2. It decreases with increase in viscosity of solvent
3. It decreases with increases in temperaure.
4. It increases with increase in size of solvated ions

Q. 1)$HCl$ 2) $C{H}_{3}COOH$ 3) $C{H}_{3}COONa$ 4) Rubber 5) Common Salt
(m) Strong Electrolyte (n) Weak Electrolyte (o) Non-Electrolyte

1. m – 1, 2, 3; n – 4; o – 5
2. m – 1, 2; n – 3, 4; o – 5
3. m – 1, 2, 3, 5; o – 4
4. m – 1, 3, 5; n – 2; o – 4

Q.

In the construction of a salt bridge, saturated solution of KNO₃ is used because:

1. Velocity of K⁺ and NO₃^- are same

2. Velocity of K⁺ is greater than that of NO₃^-

3. Velocity of NO₃^- is greater than that of K⁺

4. KNO₃ is highly soluble in water

Q. Ostwald's dilution law is applicable to all electrolytes. If true write 1, else write 0.

Q. Which of the following electrolytes is least effective in causing flocculation of ferric hydroxide sol?

1. $K_{2}Cr{O}_4$
2. $K_{3}Fe{\left(CN\right)}_6$
3. $KBr$
4. $K_{2}S{O}_4$

Q. An increase in the conductivity equivalent of a weak electrolyte with dilution is primarily due to

Q. Which of the following are strong electrolytes?

1. $H_{2}S{O}_4$
2. $NaOH$
3. $Urea$
4. $Benzene$

Q. In which of the following process fused sodium chloride is electrolysed for extraction of sodium?

1. Castner process
2. Cyanide process
3. Downs process
4. Both (2) and (3)

Q. A solvent having high value of dielectric constant has the capacity of separating ions easily.

1. True
2. False

Q. Which of the following factor(s) will determine the electrolytic conductance of a solution?

1. All of the above.
2. Solute-solute interaction
3. Solute-solvent interaction
4. Nature of electrolyte and Charge and size of the ions

Q. Write down the formulae of sodium hydroxide.

Q. Why is it not possible to determine molar conductivity at infinite dilution of weak electrolyte by extrapolation?

Q. Which of the following factor(s) will determine the electrolytic conductance of a solution?

1. Charge and size of the ions
2. Nature of electrolyte
3. Solute - solvent interaction
4. Solute - solute interaction

Q. A solvent having high value of dielectric constant has the capacity of separating ions easily.

1. True
2. False

Q. In the Bridigs Arc method in preparation of lyophobic sols, shouldnt the +ve cations in vapour be attracted to the -ve surface of metal due to electrostatic attraction and neutralize them instantly?

Q. how to find out the soiubility product??

Q.

Iodination product decomposes quickly.why?

Q.

Which one of the following statements is correct

[MP PET 1997]

Q. The conductance of 0.01N CH3COOH solution is 4.5×10^-4 ohm inverse. which is present in a tube having length 6cm and cs area 36cm square. The molar conductivity of the solution is

Q. Which of the following factor(s) will determine the electrolytic conductance of a solution?

1. Nature of electrolyte
2. Solute - solvent interaction
3. Solute - solute interaction
4. Charge and size of the ions

Q. 1)$HCl$ 2) $C{H}_{3}COOH$ 3) $C{H}_{3}COONa$ 4) Rubber 5) Common Salt
(m) Strong Electrolyte (n) Weak Electrolyte (o) Non-Electrolyte

1. m – 1, 2; n – 3, 4; o – 5
2. m – 1, 2, 3, 5; o – 4
3. m – 1, 3, 5; n – 2; o – 4
4. m – 1, 2, 3; n – 4; o – 5