chemistry

Standard Hydrogen Electrode Definition ,Construction ,Working | Determination of Electrode potential

Standard Hydrogen Electrode Definition ,Construction ,Working | Determination of Electrode potential

It is used as a primary standard (reference electrode) For measuring the potential of other electrodes. It can act both as anode and cathode. Construction of SHE: 1M HCl solution Temperature= 25 C Pressure= 1 atm Electrode Potential = 0.00V SHE consists of a platinum foil, which is coated with finely powdered platinum so as to increase its surface area and rate of reaction.The platinum foil is fitted in a glass tube and suspended in 1M HCl solution, at a pressure of 1 atmosphere. The platinum Foil acts as an electrical conductor and helps to establish equilibrium b/w hydrogen gas and its ions in solution. Determination of Electrode Potential: The potential of an electrode can be measured by coupling with standard hydrogen electrode (SHE). SHE and the electrode are dipped in one Molar aqueous solution of their ions in Separate compartments. The two solutions are connected by a salt Bridge. A voltmeter is inserted in the wire to measure the current flow b/w SHE & The electrode. At anode oxidation takes place and at cathode reduction takes place.
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Few Video Links of Chemistry important topics are as follow:

What is the |Difference between Oxidation potential and Reduction potential | Electrode potential https://youtu.be/StWm-a_j65U Galvanic cell or Voltaic cell Construction and Working | Galvanic cell Animation https://youtu.be/iaxIJaYCi-8 Balancing Redox reaction by oxidation number change method (Part 1) https://youtu.be/ApIoCBVcHEU(Part 2) https://youtu.be/t0arASbWJUU Balancing Redox reaction by half reaction method (Part 1) https://youtu.be/LKXYMoY-cI8(Part 2) https://youtu.be/2Q-YFSdWQu4 Difference between oxidation and reduction: https://youtu.be/fpWNl8VgtAk Difference between oxidizing agent and reducing agent: https://youtu.be/wPvGa76xIEcHow to find Oxidation Number | Oxidation state determination | Compound and Ion https://youtu.be/JXnu40Q1XAs Difference between Oxidation and Reduction , Oxidizing agent and Reducing agent,Oxidation State and rules for assigning oxidation state: https://youtu.be/sMnHztfcnqc Arrhenius Concept of acid and base: https://youtu.be/lIPDbnP6qJI Bronsted-Lowery concept of acid and base: https://youtu.be/rOp0OTTGSoI Buffer Solution: https://youtu.be/HQkSvD9dxuY Joule Thomson effect: https://youtu.be/lgrzxhR5TCk Evaporation:https://youtu.be/C9UtBsRGBI4 viscosity:https://youtu.be/SA_t4XB6AdY Liquid Crystals:https://youtu.be/ycof7juEOSs Orbitals Subshells and Shells: https://youtu.be/sUN8vWNZEH0 Quantum Numbers: https://youtu.be/P1xRIwTs_kU Liquefaction of gases: https://youtu.be/_fvaaKOuX2s Plasma: https://youtu.be/NfG2i0Yp1wM Vapour pressure: https://youtu.be/putR_T-KFwU Measurement of Surface Tension: https://youtu.be/oIIn4IKJdyc Importance of equilibrium constant: https://youtu.be/pfjSvBW_VUc Atomic Electronic configuration: https://youtu.be/g3uREvSkgQA Vapour pressure & Boiling: https://youtu.be/VHmFDnjtk-k Law of Mass Action: https://youtu.be/tdgSBE45T3E Hybridization Tricks & Tips: https://youtu.be/VqUl37ehdZo Boyle’s Law: https://youtu.be/hyIo2k1BZG4 Boyle’s Law Experiment: https://youtu.be/dSasspF30gw Charle’s law: https://youtu.be/odlnwho_QsQ Ideal Gas Law: https://youtu.be/tdM5jgR8c9I Dalton’s law of Partial Pressure: https://youtu.be/MrN2dRt2LMM Crystalline solid vs Amorphous solid : https://youtu.be/X6Ou7L6Vh68 CLASSIFICATION OF CRYSTALLINE SOLIDS – SOLID STATES https://youtu.be/jglj5tmej2M PROPERTIES OF LIQUIDS: STATE OF MATTER https://youtu.be/1CbmmoriFI8 Kinetic Molecular Theory Of Gases Animation https://youtu.be/FRvnK-wopT8

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