Question

Q.1. Express the relation between the conductivity and the molar conductivity of a solution.
Q.2. Write the equation showing the relationship between equivalent and concentrate of a strong electrolyte.
Q.3. Name the method used for refining of copper?
Q.4. From the given cells:
Lead storage cell, mercury cell, fuel cell and Dry cell. Answer the following:
(i) Which cell is used in hearing aids?
(ii) Which cell was used in Apollo space programme? (iii) Which cell is used in automobiles and inverters? (iv) Which cell does not have long life?
Q.5. Which of the following pairs, will have greater conduction?
(i) 0.1 Acetic acid solutions or IM acetic acid solution.
(ii) 0.1 M NaCl Solution at C and 0.1 M NaCl solution at
Q.6. The chemistry of corrosion of iron is essentially an electrochemical phenomenon. Explain the reactions occurring during the corrosion of iron in the
atmosphere?
Q.7. Determine the values of the equilibrium constant () and ∆ for the following reaction:
() + +() ⟶ +() + (), = . ( = −)
Q.8. (a) Following reactions occur at cathode during the electrolysis of aqueous silver chloride solution:
+() + − ⟶ () = +. +()+− ⟶() =.
On the basis of their standard reduction electrode potential () values, which reaction is feasible at the cathode and why?
(b) Define limiting molar conductivity. Why conductivity of an electrolyte solution decreases with the decrease in concentration?
Q.9. Calculate the degree of dissociation (α) of acetic acid if its molar conductivity () is . −.
Given °(+) = . − ° (−) = . −
Q.10. The resistance of a conductivity cell containing 0.001 M KCl solution at 298 K is 1500 . What is the cell constant if the conductivity of 0.001 M KCl solution at 298 K is 0.146 × − −?​

Answer 1

Answer:

your question is too long sorry I am not understand

Answer 2

Answer:

l also do not understand .