Time Left - 20:00 mins
JEE 2020 Chemistry : Electrochemistry Quiz-2 (01.07.2019)
Attempt now to get your rank among 241 students!
Question 1
Two Faraday of electricity is passed through a solution of CuSO4. The mass of copper deposited at the cathode is : (at. mass of Cu = 63.5 amu)
Question 2
When during electrolysis of a solution of AgNO3, 9650 coulombs of charge pass through the electroplating bath, the mass of silver deposited on the cathode will be
Question 3
The equivalent conductances of two strong electrolytes at infinite dilution in H2O (where ions move freely through a solution) at 25 °C are given below:
S cm2/equiv, 
S cm2/equiv.
What additional information/quantity one needs to calculate
of an aqueous solution of acetic acid?
S cm2/equiv, S cm2/equiv. What additional information/quantity one needs to calculate
of an aqueous solution of acetic acid?Question 4
The equivalent conductance of NaCl at concentration C and at infinite dilution are λC and λ∞. respectively. The correct relationship between λC and λ∞ is given as:
(where the constant B is positive)
Question 5
Consider separate solutions of 0.500 M C2H5OH (aq). 0.100 M Mg3(PO4)2(aq). 0.250 M KBr(aq) and 0.125 M Na3PO4(aq) at 25 °C. Which statement is true about these solutions, assuming all salts to be strong electrolytes?
Question 6
Aluminium oxide may be electrolysed at 1000°C to furnish aluminium metal (Atomic mass = 27 amu; 1 Faraday = 96,500 Coulombs). The cathode reaction is 
To prepare 5.12 kg of aluminium metal by this method would require
Question 7
IN a saturated solution of the sparingly soluble strong electrolyte AgIO3 (Molecular mass = 283) the equilibrium which sets in is
AgIO3(s)
Ag+ (aq) + IO3– (aq)
If the solubility product constant Ksp of AgIO3 at a given temperature is 1.0 × 10–8, what is the mass of AgIO3 contained in 100 ml of its saturated solution?
AgIO3(s)
Ag+ (aq) + IO3– (aq) If the solubility product constant Ksp of AgIO3 at a given temperature is 1.0 × 10–8, what is the mass of AgIO3 contained in 100 ml of its saturated solution?
Question 8
At 298 K, the standard reduction potentials are 1.51 V for 
, 1.36 V for 
, 1.07 V for 
, and 0.54 V for 
. At pH = 3, permanganate is expected to oxidize: 
, 1.36 V for , 1.07 V for , and 0.54 V for . At pH = 3, permanganate is expected to oxidize: Question 9
Given the following data, which is the strongest reducing agent?
Question 10
For a cell reaction involving a two-electron change, the standard emf of the cell is found to be 0.295 V at 25oC. The equilibrium constant of the reaction at 25oC will be-
- 241 attempts
- 2 upvotes
- 10 comments
Tags :
Jul 1JEE & BITSAT
