One litre of 1 M CuSO4 solution is electrolysed. After passing 1F of electricity molarity of CuSO4 will be
The molecular conductivity and equivalent conductivity are same for the solution of
Acidified water is electrolysed by using inert electrodes. The volume of gases liberated at STP is 168 mL. The
quantity of charge passed is
Which of the following statement is incorrect about electrolysis of AgNO3 using silver electrodes ?
A decinormal solution of NaCl has specific conductance k equal to 9.2 x 10-3 S cm-1. If ionic conductance of Na+ and Cl- at the same temperature are 43 and 65 S cm-2 mol-1 respectively, the degree of dissociation is
Q. The molar conductivities of NaOH, NaCl and BaCl2 at infinite dilution are 2⋅481×10−2Sm2mol−1,1⋅265×10−2Sm2mol−1 and 2⋅800×10−2Sm2mol−1 respectively. The molar conductivity of Ba(OH)2 at infinite dilution will be
= ⋀∘m(BaCl2) + 2 ⋀∘m(NaOH) − 2⋀∘m(NaCl)
= (2⋅8 + 2 × 2⋅481 − 2 × 1⋅265) × 10−2Sm2mo−11
= (2⋅8 + 4⋅962 − 2⋅53 )× 10−2Sm2mol−1
Molar conductivity of a solution is 1.26 x 102 ohm-1 cm2 mol-1. Its molarity is 0.01, its specific conductivity will be
If the solution of the CuSO4 in which copper rod is immersed is diluted to 10 times, the electrode potential
2A- + B2 → 2B- + A2 :
2C- + B2 → No reaction
2D- + A2 → 2A- + D2,
Which of the following is correct?
Which of the following is the electrolysis reaction when AgNO3(aq) is electrolysed using a silver anode and a
platinum cathode ?
Which Nernst equation is true to find out the potential of non-standard electrochemical cell from the following?
The molar conductances of NaCI, HCI and CH3COONa at infinite dilution are 126.45, 426.16 and 91 ohm-1 cm2 mol–1 respectively. The molar conductance of CH3COOH at infinite dilution is
E1 , E2 and E3 are the emf values of the three galvanic cells respectively
Which one of the following is true ?
If the half-cell reaction, A + e- ® A- has a large
negative reduction potential, it follows that
A standard hydrogen electrode has zero electrode potential because
When electric current is passed through a cell having an electrolyte, the positive ions move towards cathode
and the negative ions towards the anode. If the cathode is removed from the solution then