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What is electrochemical series and its applications?

What is electrochemical series and its applications?

Electrochemical series helps to identify the substances that are good oxidizing agents and reducing agents.(top of series-good reducing agents) (2) Displacement reactions: A metal higher in series will displace metal from its solution which its lower in series and vice versa.

What is electrochemical series What are the applications of electrochemical series?

Predicting the liberation of hydrogen gas by metals from acid, predicting the feasibility of the redox reaction, calculation of EMF of the cells, comparison of the relativity of metals are few of the other areas where the applications of electrochemical series can be seen.

What is electrochemical series write its two applications?

Oxidizing and Reducing Strengths: The electrochemical series helps to identify the substances that are good oxidizing agents and reducing agents. All the substances appearing on the top of the series behave as good reducing agents. All the substances appearing at the bottom of the table are good oxidizing agents.

What is electrochemical series?

Definitions of electrochemical series. a serial arrangement of metallic elements or ions according to their electrode potentials determined under specified conditions; the order shows the tendency of one metal to reduce the ions of any other metal below it in the series.

What are three applications of electrochemical series?

Applications of electrochemical series : (i) Relative strength of oxidising agents in terms of E∘ values can be calculated. (ii) Relative strength of reducting agents in terms of E∘ values can be calculated. (iii) To identify the spontaneous direction of reaction.

What are the applications of electrochemical cell?

13.7 Applications of electrochemistry (ESCRP)

  • torches.
  • electrical appliances such as cellphones (long-life alkaline batteries)
  • digital cameras (lithium batteries)
  • hearing aids (silver-oxide batteries)
  • digital watches (mercury/silver-oxide batteries)
  • military applications (thermal batteries)

What is electrochemical series example?

For example, (a) Alkali metals and alkaline earth metals having high negative values of standard reduction potentials are chemically active. These react with cold water and evolve hydrogen. These readily dissolve in acids forming corresponding salts and combine with those substances which accept electrons.

What is standard EMF series and what are its applications?

An electromotive force series (EMF series) is a metal’s ranking in respect to inherent reactivity. Reactivity of metals. The metals located at the top of the series are considered the most noble, with the highest level of positive electrochemical potential.

What is the application of galvanic cell?

Among other cells, a galvanic cell is a type of electrochemical cell. It is used to supply electric current by making the transfer of electrons through a redox reaction. A galvanic cell is an exemplary idea of how energy can be harnessed using simple reactions between a few given elements.

How do you remember electrochemical series?

I found this mnemotic on “Quora” :

  1. KINGS CAN NOT MAKE A ZEBRA. I LIKE HIS CAR’S SILVERY GATE.
  2. K ings- POTASSIUM.
  3. C an- CALCIUM.
  4. N ot- (NA)SODIUM.
  5. M ake- MAGNESIUM.
  6. A – ALUMINIUM.
  7. Z ebra- ZINC.
  8. I – IRON.

Which is an application of the electrochemical series?

1. Oxidizing and Reducing Strengths Electrochemical series helps us to identify a good oxidizing agent or reducing agent.

Which is a reducing agent in an electrochemical series?

The elements which have more electron losing tendency are reducing agents. The elements at the bottom in the electrochemical series have lower (- ve) reduction potential. Hence they lose electrons readily and supply to other elements and reduce them. So bottom elements in electrochemical series are reducing agents.

Why is zinc placed lower in the electrochemical series?

Hence element lower in electrochemical series can displace an element placed higher in electrochemical series from its salt solution. Zn displaces Cu from CuSO 4, because, zinc is placed lower in electrochemical series and has lower reduction potential while Cu is placed higher in electrochemical series and has higher reduction potential.

How are reduction potentials used in electrochemical series?

In this series, all reduction potentials are given on hydrogen scale whose, Eo is taken as zero. The standard reduction potential of an element is a measure of the tendency of that element to get reduced. The element which has greater reduction potential gets reduced easily. While the elements with low reduction potential will get easily oxidized