Define Faraday’s constant.

Define Faraday’s constant.
by

1 Answer

Answer :

Faraday’s constant is defined as the ratio of chemical equivalent to electrochemical equivalent of a substance.
by

Related questions

Write the value of Faraday’s constant.

Description : Write the value of Faraday’s constant.

Last Answer : The value of Faraday’s constant is 96,500 coulomb/mole.

State Faraday’s second law of electrolysis.

Description : State Faraday’s second law of electrolysis.

Last Answer : “The masses of different substances liberated by the same quantity of electricity are proportional to their chemical equivalents”.

State Faraday’s first law of electrolysis.

Description : State Faraday’s first law of electrolysis.

Last Answer : “The mass of substance deposited or collected at either electrode during electrolysis is proportional to the current and to the time”.

Explain electro polishing.

Description : Explain electro polishing.

Last Answer : The article to be electro polished is taken as anode in the electrolytic bath with copper or lead cathode and a suitable electrolyte. When direct current is passed through the electrolyte, the ... the anode is electro polished. Ex: Sandwiched cookers are manufactured by the electro polishing method.

What is electro polishing?

Description : What is electro polishing?

Last Answer : Electro polishing is an electrochemical process that removes material from a metallic article. It is the reverse of electroplating.

What is the aim of electroplating?

Description : What is the aim of electroplating?

Last Answer : The aim of electroplating is to give the articles made of one metal a coating of another metal either to improve the appearance or to protect it against rusting and tarnishing.

What is electroplating?

Description : What is electroplating?

Last Answer : Electroplating is the process of plating one metal onto another by passing current through the electrolyte.

Mention the applications of electrolysis.

Description : Mention the applications of electrolysis.

Last Answer : a) Electroplating b) Electrotyping c) Purification of metals d) Decomposition of salts e) Electro polishing f) Manufacture of certain chemicals like caustic soda.

On what factors does the amount of deposition in electrolysis depend?

Description : On what factors does the amount of deposition in electrolysis depend?

Last Answer : The amount of deposition depends on the a) Current b) Time c) Nature of substance

What are cations?

Description : What are cations?

Last Answer : Cations are atoms that have lost an electron to become positively charged.

What are anions?

Description : What are anions?

Last Answer : Anions are a group of atoms that have gained electrons. They have a negative charge.

What are ions?

Description : What are ions?

Last Answer : A group of charged atoms are called ions.

State Arrhenius theory of dissociation.

Description : State Arrhenius theory of dissociation.

Last Answer : “The molecules of an electrolyte in aqueous solution break into ions”

What are non-electrolytes? Give example

Description : What are non-electrolytes? Give example

Last Answer : Substances which do not conduct electricity are called non-electrolytes. Ex: Sugar solution, distilled water etc.

What are weak electrolytes? Give example

Description : What are weak electrolytes? Give example

Last Answer : Electrolytes that dissociate partially are called weak electrolytes. Ex: Vinegar, carbonic acid, phosphoric acid and organic acids like acetic acid, formic acid etc.

What are strong electrolytes? Give example

Description : What are strong electrolytes? Give example

Last Answer : Electrolytes that dissociate almost completely are called strong electrolytes. Ex: Ionic compounds like Sodium chloride, copper sulphate, covalent compounds, hydrochloric acid, nitric acid, sulphuric acid.

How are electrolytes classified?

Description : How are electrolytes classified?

Last Answer : Electrolytes can be classified into: a) Strong electrolytes b) Weak electrolytes c) Non electrolytes

Give examples of substance through which electrolytic conduction occurs.

Description : Give examples of substance through which electrolytic conduction occurs.

Last Answer : a) Salts in molten state Ex: Sodium chloride, Calcium chloride, lead bromide etc. b) Aqueous solutions of sodium sulphate, copper sulphate etc. c) Bases Ex: Sodium hydroxide, Potassium hydroxide etc. d) Aqueous solutions of acids Ex: Hydrochloric acid, sulphuric acid etc.

Give examples of substances through which metallic conduction occur.

Description : Give examples of substances through which metallic conduction occur.

Last Answer : a) All metals Ex: Iron, Aluminium, Copper, Mercury etc. b) All alloys Ex: Brass, Bronze, and Steel etc. c) Graphite

State the types of conduction of electricity.

Description : State the types of conduction of electricity.

Last Answer : a) Metallic conduction b) Electrolytic conduction

What is an electrolyte?

Description : What is an electrolyte?

Last Answer : The chemical substances that conduct electricity in aqueous state or molten state are called electrolytes.

What is meant by electrolytic solutions?

Description : What is meant by electrolytic solutions?

Last Answer : The aqueous solutions in in which chemical reactions occur when direct current is passed are called electrolytic solutions.

What is electrolytic conduction?

Description : What is electrolytic conduction?

Last Answer : The type of conduction in which cations and anions participate in the flow of electricity in molten state or aqueous solution of salt is called as electrolytic conduction.

What is electronic conduction?

Description : What is electronic conduction?

Last Answer : The type of conduction which is due to the flow of delocalised electrons is known as electronic conduction.

Name the two types of electric conduction.

Description : Name the two types of electric conduction.

Last Answer : The two types of electrical conduction are: a) Electric conduction due to flow of delocalised electrons. b) Electrical conduction due to flow of ions

The scientific principle involved in a laser is (a) Newton’s laws of motion (b) Faraday’s laws of induction (c) Motion of a charges particle in an electromagnetic field (d) Amplification by population inversion

Description : The scientific principle involved in a laser is (a) Newton’s laws of motion (b) Faraday’s laws of induction (c) Motion of a charges particle in an electromagnetic field (d) Amplification by population inversion

Last Answer : Ans:(d)

State Faraday's second law of electromagnetic induction.

Description : State Faraday's second law of electromagnetic induction.

Last Answer : The Magnitude of the induced e.m.f is directly proportional to the rate of change of magnetic field linking the conductor.

State Faraday’s first law of electro-magnetic induction.

Description : State Faraday’s first law of electro-magnetic induction.

Last Answer : Whenever a magnetic field linked with a conductor changes, an induced e.m.f is generated in the conductor.

(a) State and explain Kohlrausch law. (b) How much electricity in terms of Faradays is required to produce 20 g of calcium from molten CaCl2? -Chemistry

Description : (a) State and explain Kohlrausch law. (b) How much electricity in terms of Faradays is required to produce 20 g of calcium from molten CaCl2? -Chemistry

Last Answer : a) Corrosion is an electrochemical phenomenon. At a particular spot of iron j oxidation it takes place and the spot behaves j as anode and the reaction will be: i At anode : 2Fe(s) → 2Fe2+ + 4e- Electrons ... Ca i.e. 40 g of Ca requires electricity = 2F ∴ 20 g of Ca will require electricity = 1F

What is Faraday's first law of electrolysis ?

Description : What is Faraday's first law of electrolysis ?

Last Answer : First formula: In the process of electrolysis, the amount of material deposited on the electrode is proportional to the amount of electricity flowing through the solution or electrolyte.

What are Faraday's formulas ?

Description : What are Faraday's formulas ?

Last Answer : First source: a wire or coil e. M. F is induced when the magnetic flux or line of magnetic force associated with the wire or coil changes. Second law: The amount of induced ... magnetic field , then an electromotive force induced in the conductor is proportional to the rate of occurrence.

What is Michael Faraday's favorite song?

Description : What is Michael Faraday's favorite song?

Last Answer : Need answer

The law that finds application in electrolysis is: a) Faraday's law b) Coulomb's law c) Ohm's law d) Lenz's law

Description : The law that finds application in electrolysis is: a) Faraday's law b) Coulomb's law c) Ohm's law d) Lenz's law

Last Answer : Ans: A

The magnitude of current flowing between two end points of a conductor is proportional to the potential difference between them and is called as: (1) Avogadro's law (2) Rault's law (3) Ohms law (4) Faraday's law

Description : The magnitude of current flowing between two end points of a conductor is proportional to the potential difference between them and is called as: (1) Avogadro's law (2) Rault's law (3) Ohms law (4) Faraday's law

Last Answer : (3) Ohms law Explanation: According to Ohm's Law, the potential difference (V) between two terminals of a current-carrying conductor is directly proportional to the current (I), flowing through it. -For any Study materialContact WhatsApp: 8337932441 Join Telegram- Click here

Which frequency reuse method is less effective because of Faraday’s effect? A. Dual polarization B. Reducing antenna beamwidth C. Zonal rotation D. Spin stabilization

Description : Which frequency reuse method is less effective because of Faraday’s effect? A. Dual polarization B. Reducing antenna beamwidth C. Zonal rotation D. Spin stabilization

Last Answer : A. Dual polarization

Any small element of space in the path of a wave may be considered as a source of secondary wavelet. A. De Morgan’s Principle B. Faraday’s Law C. Huygen’s Principle D. Fresnel’s Law of optics

Description : Any small element of space in the path of a wave may be considered as a source of secondary wavelet. A. De Morgan’s Principle B. Faraday’s Law C. Huygen’s Principle D. Fresnel’s Law of optics

Last Answer : C. Huygen’s Principle

State the faraday’s laws of electro magnetic induction.

Description : State the faraday’s laws of electro magnetic induction.

Last Answer : In 1831 Faraday discovered the production of electric current in electric conductor by converting magnetism. Faraday has mentioned two laws known as faraday's laws of electro magnetic induction. First ... conductor is directly proportional to the rate of change of flux linked with that conductor. 

What are the Faradays laws of electrolysis?

Description : What are the Faradays laws of electrolysis?

Last Answer : First law The mass ions liberated at an electrode are directly proportional to the quantity of electricity (coulomb Q) which has passed through the electrolyte. That is M∝Q or M∝I ... several electrolyte the masses of the ions liberated are proportional to their respective chemical equivalent. 

The magnetic materials follow which law? a) Faraday’s law b) Ampere law c) Lenz law d) Curie Weiss law

Description : The magnetic materials follow which law? a) Faraday’s law b) Ampere law c) Lenz law d) Curie Weiss law

Last Answer : d) Curie Weiss law

The Faraday’s law states about which type of EMF? a) Transformer EMF b) Back EMF c) Generator EMF d) Secondary EMF

Description : The Faraday’s law states about which type of EMF? a) Transformer EMF b) Back EMF c) Generator EMF d) Secondary EMF

Last Answer : a) Transformer EMF

Find the Maxwell equation derived from Faraday’s law. a) Div(H) = J b) Div(D) = I c) Curl(E) = -dB/dt d) Curl(B) = -dH/dt

Description : Find the Maxwell equation derived from Faraday’s law. a) Div(H) = J b) Div(D) = I c) Curl(E) = -dB/dt d) Curl(B) = -dH/dt

Last Answer : c) Curl(E) = -dB/dt

According to Faraday’s law, EMF stands for a) Electromagnetic field b) Electromagnetic force c) Electromagnetic friction d) Electromotive force

Description : According to Faraday’s law, EMF stands for a) Electromagnetic field b) Electromagnetic force c) Electromagnetic friction d) Electromotive force

Last Answer : d) Electromotive force

With Gauss law as reference which of the following law can be derived? a) Ampere law b) Faraday’s law c) Coulomb’s law d) Ohm’s law

Description : With Gauss law as reference which of the following law can be derived? a) Ampere law b) Faraday’s law c) Coulomb’s law d) Ohm’s law

Last Answer : c) Coulomb’s law

A time varying electric field produces a magnetic field.' This phenomenon is called: (A) Hertz's law (B) Ampere Maxwell's law (C) Faraday's law

Description : A time varying electric field produces a magnetic field.' This phenomenon is called: (A) Hertz's law (B) Ampere Maxwell's law (C) Faraday's law

Last Answer : Answer: Option B

If variable part of annual cost on account of interest and depreciation on the capital outlay is equal to the annual cost of electrical energy wasted in the conductors, the total annual cost will be minimum and the corresponding size of conductor will be most economical. This statement is known as (a) Kelvin's law (b) Ohm's law (c) Kirchhoffs law (d) Faraday's law (e) none of the above

Description : If variable part of annual cost on account of interest and depreciation on the capital outlay is equal to the annual cost of electrical energy wasted in the conductors, the total annual cost will be minimum and the ... (b) Ohm's law (c) Kirchhoffs law (d) Faraday's law (e) none of the above

Last Answer : (a) Kelvin's law

“The direction of induced current is always so as to oppose the change which causes the Current” is the statement of: a. Faraday’s law b. Lenz’s Law c. Ohm’s Law d. Kirchoff’s rule.

Description : “The direction of induced current is always so as to oppose the change which causes the Current” is the statement of: a. Faraday’s law b. Lenz’s Law c. Ohm’s Law d. Kirchoff’s rule.

Last Answer : c. Ohm’s Law

The Principle of an alternating current generator is based on: a. Coulomb’s law b. Ampere’s law c. Faraday’s law d. Lenz’s law

Description : The Principle of an alternating current generator is based on: a. Coulomb’s law b. Ampere’s law c. Faraday’s law d. Lenz’s law

Last Answer : a. Coulomb’s law

State Faraday's first and second law of electromagnetic induction.

Description : State Faraday's first and second law of electromagnetic induction.

Last Answer : i)Faraday's First Law: Whenever a conductor cuts the magnetic lines of force or is cut by the magnetic lines of force or flux linking with conductor changes, an emf is induced in the conductor.  ... Law: The magnitude of induced emf is directly proportional to the rate of change of flux.

State Faraday’s law of electromagnetic induction.

Description : State Faraday’s law of electromagnetic induction.

Last Answer : Faradays first law: The first law states that whenever the magnetic lines of force (flux lines) linking with a coil or conductor changes, an emf gets induced in the coil or conductor. Such an emf lasts ... to the rate of change of flux linkage where flux linkage = Flux X Number of turns of coil. 

Gauss' law of electricity, Gauss' law of magnetism, Faraday's law of induction, and Amperes' law form the basic equations of electromagnetism. This combination is collectively known as: w) Coulomb's equations x) Volta's equations y) Fermi's equations z) Maxwell's equations

Description : Gauss' law of electricity, Gauss' law of magnetism, Faraday's law of induction, and Amperes' law form the basic equations of electromagnetism. This combination is collectively known as: w) Coulomb's equations x) Volta's equations y) Fermi's equations z) Maxwell's equations

Last Answer : ANSWER: Z -- MAXWELL'S EQUATIONS