Home
Class 11
CHEMISTRY
A 1 M solution of H2SO4 is electrolysed....

A 1 M solution of `H_2SO_4` is electrolysed. Select correct statement in respect of products obtain at anode and cathode respectively:
Given : `2SO_4^(2-) toS_2O_8^(2-)+2e^-,E^(@)=-1.23V`
`H_2O(l)to2H^+(aq)+1//2O_2(g)+2e^-,E^(@)=-1.23V`

A

concentration of `H_2SO_4` remain constant, `H_2,O_2`

B

concentration of `H_2SO_4` remain constant, `O_2,H_2`

C

concentration of `H_2SO_4` remain constant, `O_2,H_2`

D

concentration of `H_2SO_4` remain constant, `S_2O_8^(2-),H_2`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    NARENDRA AWASTHI|Exercise Level 1 (Q.1 To Q.30)|1 Videos

  • ELECTROCHEMISTRY

    NARENDRA AWASTHI|Exercise Level 1 (Q.91 To Q.120)|1 Videos

  • DILUTE SOLUTION

    NARENDRA AWASTHI|Exercise Level 3 - Match The Column|1 Videos

  • GASEOUS STATE

    NARENDRA AWASTHI|Exercise Level 3 - Subjective Problems|1 Videos

Similar Questions

Explore conceptually related problems

Oxidation sttae of S in H_(2)SO _(5) and H_(2) S _(2) O_(8) respectively are

Oxidation state of S in H_(2)SO_(5) and H_(2)S_(2)O_(8) respectively are

What is the equivalent weight of O_2 in the following reaction, H_2O + (1)/(2)O_2 + 2e^(-) to 2OH^(-) ?

For the rate of the reaction 2H_(2)O_(2)to2H_(2)O+O_(2),r=K[H_(2)O_(2)] it is

Choose correct statements regarding the following reaction Cr_2O_(7(aq))^(-2)+3SO_(3(aq))^(-2) + 8H^(+) rarr 2Cr_((aq))^(+3) +3SO_(4(aq))^(-2) + 4H_2O

H_2O_2 is obtained by adding dil H_2SO_4 to

The standard electrode potential for the following reaction is + 1.33V.What is potential at pH=2.0? Cr_2O_7^(2-) (aq. 1M) + 14H^(+)(aq) + 6e^(-) to 2Cr^(3+) (aq. 1M0 + 7H_2O(l)

Redox reactions play a pivotal role I chemistry and bilogy . The values of standard redox potential (E^(@)) of two half - cell reaction decided which way the reaction is expected to proceed. A simple example is a Daniel cell in which zinc goes into solution and copper get deposited. Given below are a set of half 0 cell reactions ( acidic medium ) along with their E^(@) values ( with respect to normal hydrogen electrode ) Using this data : I_2 + 2e^(-) to 2I^(-) E^(@) = 0.54 , Cl_2 + 2e^(-) to 2Cl^(-) " "E=1.36V Mn^(3+) + e^(-) to Mn^(2+) E^(@) = 1.50 , Fe^(3+) + e^(-) to Fe^(2+) E = 0.77V O_2 +4H^(+) + 4e^(-) to 2H_2O" " E^(@) = 1.23 , Among the following , identify the correct statement :