Ionic Theory And Electrolysis Pdf

ionic theory and electrolysis pdf

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In this article, we shall study Arrhenius ionic theory, the concept of ionization and dissociation, Applying law of mass action to reactions involving ions. Electrolytes on the Basis of Ionic Theory:. According to Arrhenius ionic theory, a substance acid base or salt, which when dissolved in water splits up spontaneously into positively and negatively charged ions and the aqueous solution has electrical conductivity is called an electrolyte e.

E-mail: keith. This chapter provides a broad introduction to electrolysis and the use of electrolysers, using electricity via various routes to produce hydrogen.

REVISION QUESTIONS. IONIC THEORY AND ELECTROLYSIS. By SIR GODI. FORM 4 PACKAGES CHEMISTRY

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Electrolysis

Electrolysis , process by which electric current is passed through a substance to effect a chemical change. The chemical change is one in which the substance loses or gains an electron oxidation or reduction. The process is carried out in an electrolytic cell , an apparatus consisting of positive and negative electrodes held apart and dipped into a solution containing positively and negatively charged ions. The substance to be transformed may form the electrode , may constitute the solution, or may be dissolved in the solution. Electric current i. The products can be neutral elements or new molecules. Components of the solution also travel to the other electrode anode , give up their electrons, and are transformed oxidized to neutral elements or new molecules.


Explain how ions migrate during electrolysis when an electricity is passing through copper two sulphate solution. 6. State the meaning of the following words in.


Electrolysis: Ionic Theory

Which of the following is NOT an example of a chemical change? The Separating Funnel is a technique used in the separation of mixtures. Which of the following is NOT a characteristic of chemical change? Click here to read more on its smart academic features.

The theory states that electrolytes are made up of ions, which are built up in certain patterns called crystal lattice. When these substances dissolve in water, the structure is destroyed and the ions are set free to move. Concentrated mineral acids such as sulphuric acid, hydrochloric acid and nitric acid do not contain ions but they consist of molecules. However, when they are diluted, the molecular structure is destroyed and ions are formed. Electrolytes and Non-electrolytes Distinguish electrolytes from non-electrolytes The main purpose of this chapter is to investigate the effects which electricity has on a range of substances, and to develop a thorough explanation of those effects in terms of our present knowledge of atomic structure.

Ionic Theory

Electrolysis product calculations negative cathode and positive anode products. Quantitative chemistry calculations Help for problem solving in doing electrolysis calculations, using experiment data, making predictions.

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Ionic theory was used to explain the behaviour of electrolytes when electric current is passed through their solution.

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