Home
Class 12
CHEMISTRY
A cell is prepared by dipping copper rod...

A cell is prepared by dipping copper rod in 1 M copper sulphate solution and zinc rod in 1 M zinc sulphate solution. The standard reduction potential of copper and zin c are `0.34 V and - `0.76 V respectively.
(i) What will be the cell reaction ?
(ii) What will be the standard electromotive force of the cell ?
(iii) Which electrode will be positive ?

Text Solution

AI Generated Solution

To solve the problem step by step, we will address each part of the question systematically. ### Step 1: Determine the Cell Reaction 1. **Identify the half-reactions**: - For zinc (Zn), which has a lower reduction potential (-0.76 V), it will undergo oxidation: \[ \text{Zn (s)} \rightarrow \text{Zn}^{2+} (aq) + 2e^- ...
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    VMC MODULES ENGLISH|Exercise Level-0 (Long Answer Type ) (5 Marks)|1 Videos

  • ELECTROCHEMISTRY

    VMC MODULES ENGLISH|Exercise Level-1|75 Videos

  • ELECTROCHEMISTRY

    VMC MODULES ENGLISH|Exercise Level-0 ( Short Answer Type - I) (2Marks)|9 Videos

  • CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

    VMC MODULES ENGLISH|Exercise JEE ADVANCE (ARCHIVE)|30 Videos

  • ENVIRONMENTAL CHEMISTRY

    VMC MODULES ENGLISH|Exercise JEE Main (Archive)|39 Videos

Similar Questions

Explore conceptually related problems

Copper sulphate solution does not react with

A cell is prepared by dipping a copper rod in 1 MCuSO_(4) solution and a nickel rod in 1M NiSO_(4) . The standard reduction potentials of copper and nickel electrodes are +0.34 V and -0.25 V respectively. (i) Which electrode will work as anode and which as cathode? (ii) What will be the cell reaction? (iii) How is the cell represented ? (iv) Calculate the EMF of the cell.

When iron rod is immersed in copper sulphate solution.

The standard reduction potentials of magnesium and iron electrodes are -2.73 V and -0.44 V respectively. Which electrode will undergo oxidation and which electrode reduction ?

Which metal can deposit copper from copper sulphate solution ?

The standard reduction potential of Pb and Zn electrodes are -0.12 6 and -0.763 volts respectively . The e.m.f of the cell Zn|Zn^(2+)(0.1M)||Pb^(2+)(1M)|Pb is

Which cell will measure standard electrode potential of copper electrode?

Calculate the standard potential of the cell ,If the standard electrode potentials of Zn^(2+)//Zn and Ag^(+) //Ag are -0.763 V and + 0.799 V respectively .

The standard reduction potentials of Cu^(2+)|Cu and Cu^(2+)|Cu^(o+) are 0.337V and 0.153V , respectively. The standard electrode potential fo Cu^(o+)|Cu half cell is

(a) A cell is prepared by dipping a zinc rod in 1M zinc sulphate solution and a silver electrode in 1M silver nitrate solution. The standard electrode potential given : E^(@)Zn_(2+1//Zn) = -0.76V, E^(@)A_(g+//)A_(g) = +0.80V What is the effect of increase in concentration of Zn^(2+) " on the " E_(cell) ? (b) Write the products of electrolysis of aqueous solution of NaCI with platinum electrodes. (c) Calculate e.m.f. of the following cell at 298 K: "Ni(s)"//"Ni"^(2+)(0.01M)////"Cu"^(2+)(0.1M)//"Cu(s)" ["Given"E_(Ni2+//Ni)^(@) = -0.025 V E_(Cu2+//Cu)^(@) = +0.34V] Write the overall cell reaction.

Knowledge Check

  • Which cell will measure standard electrode potential of copper electrode?

    A
    `Pt_((s))|H_2(g,0.1 "bar") |H^(+) (aq, 1 M) || Cu^(2+) (aq, 1M) |Cu`
    B
    `Pt_((s))|H_2(g,1 "bar") |H^(+) (aq, 1 M) || Cu^(2+) (aq, 2M) |Cu`
    C
    `Pt_((s))|H_2(g,1 "bar") |H^(+) (aq, 1 M) || Cu^(2+) (aq, 1M) |Cu`
    D
    `Pt_((s))|H_2(g,1 "bar") |H^(+) (aq, 0.1 M) || Cu^(2+) (aq, 1M) |Cu`