Zinc can be coatd on iron to produce gal...

Zinc can be coatd on iron to produce galvanized iron but the reverse is not possible. It is because

zinc is lighter than iron

zinc has lower melting point than iron

zinc has lower negative electrode potential than iron

zinc has higher negative electrode potential than iron.

Text Solution

Verified by Experts

Topper's Solved these Questions

ELECTROCHEMISTRY
MODERN PUBLICATION|Exercise EXERCISE|529 Videos
d-AND f- BLOCK ELEMENTS
MODERN PUBLICATION|Exercise EXERCISE|1089 Videos
GENERAL PRINCIPLES AND PROCESSES OF ISOLATION OF ELEMENTS
MODERN PUBLICATION|Exercise EXERCISE|303 Videos

Similar Questions

Explore conceptually related problems

Iron pipes are usually coated with zinc to prevent rusting of iron pipes because

A frog can be leviated in a magnetic field produced by a current in a vertical soleniod placed below the frog. This is possible because the body of the frog is

A circular coil expands radially in a region of magnetic field and no electromotive force is produced in the coil. this can be because

Direction. In the follwing questions, a statement of assertion is followed by a statement of reason. While answering a question, you are required to choose the correct are out of the given four responses and mark it as (A). If both assertion and reason are true and reason is the correct explanation of the assertion, (B) if both assertion and reason are true but reason is not correct explanation of the assertion. (C) if asssertion is true, but reason if false, (D) if both assertion and reason are false Assertion : If current is flowing through a machine of iron, eddy currents are produced. Reason : Change in magnetic flux through an area causes eddy current.

Is rusting of iron a reversible process?

If iron nails are added in zinc sulphate solution, the possible observation could be

Food cans are coated with tin and not with zinc because:

MODERN PUBLICATION-ELECTROCHEMISTRY-EXERCISE

The number of electrons delivered at the cathode during electrolysis b...
Text Solution
|
if the E(cell)^@ for a given reaction has a negative value, then which...
Text Solution
|
Zinc can be coatd on iron to produce galvanized iron but the reverse i...
Text Solution
|
The equilibrium constant of the following redox reaction is 298K is 1x...
Text Solution
|
A solution of nickel sulphate in which nickel rod is dpped is dilute 1...
Text Solution
|
When molten magnesium oxide was electrolysed for a certain period, 150...
Text Solution
|
The standard reduction potentials for two reactions are given below: A...
Text Solution
|
Resistance of a conductivity cell filled with a solution of an electro...
Text Solution
|
The cell Zn|Zn^(2+)(1M)||Cu^(2+)(1M)|Cu (E(cell)^@=1.10V) was allowed ...
Text Solution
|
Write NERNST equation also Calculate the cell e.m.f. and DeltaG for th...
Text Solution
|
Given E(Fe^(3+)|Fe)^@=-0.36V, E(Fe^(2+)|Fe)^@=-0.439V. The value of st...
Text Solution
|
The Gibbs energy for the decomposition of Al2O3 at 500^@C is as follow...
Text Solution
|
The oxidation potential of hydrogen half-cell will be negative if:
Text Solution
|
Resistance of 0.2 M solution of an electrolyte is 50 Omega. The specif...
Text Solution
|
The standard reduction potentials for Zn^(2+)|Zn, Ni^(2+)|Ni and Fe^(2...
Text Solution
|
Given E(Cr^(3+)|Cr)^@=-0.74V,E(MnO4^-|Mn^(2+))^@=1.51V and E(Cr2O7^-/C...
Text Solution
|
Consider the following standard electrode potentials and calculate the...
Text Solution
|
The equilvalnet conductances of NaCl at concentration C and at inifnit...
Text Solution
|
Resistance of 0.2 M solution of an electrolyte is 50 Omega. The specif...
Text Solution
|
Two faraday of electricity is passed through a solution of CuSO 4 ...
Text Solution
|