COMPLEXOMETRIC TITRATION LIGANDS: Metal ion ( analyte ; cation) Metal ion indicators Chilon Complexing agent pM indicators ( Chelating agent L igand/Sequestering agent) Chelate Complex ion Metal co -ordination compound /Metal complex/Chelate compound Ligands or complexing or chelating agents are electron donating entity‚ which has the ability to bind to the metal ion and produce a complex ion. The molecules or ions which displace the solvent molecules are
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2014 Experiment No. 7 Unknown: 2 Compound: Table 6.1Physical Examination State Liquid Odor Smells like adhesive paste Color Pink-orange Flammability Flammable Table 6.2Physical Constant: Melting Point Parameter Experimental Theoretical (From Literature) Melting Point (oC) Trial 1 Trial 2 Average 88 88 86 86 Table 6.3Solubility Test Sample Solubility Solubility Class Water Ether 5% NaOH5% Na2CO3 5% HClConc. H2SO4 Unknown Sample + + + + + + Basic Compound Table 6.4Qualitative Tests for
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COMPARATIVE INVESTIGATION OF ORGANIC COMPOUNDS Abstract Organic compunds were examined to a comparative investigation to differentiate the properties of each sample. The physical state at room temperature‚ odor and color of the sample were noted by simple observation. In terms of solubility in H2O‚ 5% NaOH solution and 5% HCl solution‚ the samples were classified as to miscible‚ slightly immiscible or immiscible for liquid; and very soluble‚ soluble‚ partially soluble or insolubse for solid. The
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Music Appreciation April 30‚ 2013 “The Separation” The separation of church music and secular music during the Baroque period was the beginning of something new. Many people had no idea that the instruments they used during the Renaissance period could do more than they had been doing with them. This brought a new meaning of music and life into the world. It was a great change for music‚ instruments‚ and even people. Church music‚ also known as sacred music‚ was well known in the Renaissance
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Preparing Esters by esterification method using carboxylic acid to an alcohol‚ which is 1.0 ml of ethanoic acid to the ethanol‚ and ethanoic acid to the propan-1-ol‚ also adding H2SO4 as a catalyst for the reaction Abstract: Esters are a group of organic compound‚ famous for their interesting odours and smells. In this investigation student used ethanoic acid and ethanol with sulfuric acid as catalyst to produce ester‚ which was known of its smell. However it was expected to have a pleasant smell
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The compound is the substance that can be two or more elements that can be changed. Water is a compound. It contains both Hydrogen and oxygen that can stand alone by itself. The mixture is when two different substances that are blended together. The air is a mixture of these elements carbon dioxide‚ nitrogen‚ and other stuff. Most mixtures are known to be naturally. The main difference between the compound and the mixture is how they are combined. In the pure substance‚ the only way to know if
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CHAPTER 6 MECHANICAL-PHYSICAL SEPARATION PROCESSES Introduction Separation Processes Many chemical processes materials and biological substances occur as mixtures of different components in the gas‚ liquid‚ or solid phase. In order to separate or remove one or more of the component from its original mixture‚ it must be contacted with another phase. The two-phase pair can be gas-liquid‚ gas-solid‚ liquid‚ or liquid-solid. Absorption When the two contacting phases are a gas and a liquid
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Neutral citation number: [2015] UKSC 34 Haile (Appelant) v London Borough of Waltham Forest (Resppondent) On appeal from : [2014] EWCA Civ 792 Judgement date: 20 May 2015 Hearing date: 29 January 2015 Case summary: Justices: Lord Neuberger‚ Lady Hale‚ Lord Clarke‚ Lord Reed‚ Lord Carnwath Nature of the case: causational‚ intentional homelessness Facts: On 25 October 2011 the appellant voluntarily surrendered her tenancy in a hostel because of an unpleasant smell and moved for a temporary
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COrdination compounds Question 9.1: Explain the bonding in coordination compounds in terms of Werner’s postulates. =Werner’s postulates explain the bonding in coordination compounds as follows: (i) A metal exhibits two types of valencies namely‚ primary and secondary valencies. Primary valencies are satisfied by negative ions while secondary valencies are satisfied by both negative and neutral ions. (In modern terminology‚ the primary valency corresponds to the oxidation number of the metal
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AMINO ACIDS SUSMITA DAS SWAPNA MONDAL OBJECTIVES To study about Amino acids. To study the classifications of amino acids based on different headings. To study the functions of amino acids. INTRODUCTION Amino acids:• Amino acids are monomers of protein. • Amino acids are group of organic compounds which contain two functional groups. One is Amino group(NH2) and the other is Carboxyl group(COOH). • Proteins are broken down into amino acids on hydrolysis. • Each amino acid also have a
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