Organic chemistry studies carbon compounds‚ but a few carbon compounds such as carbon monoxide‚ carbon dioxide‚ metal carbonates‚ and carbon disulphide traditionally come under the umbrella of inorganic chemistry. INTRODUCTORY 1. Give the following for the compound propane C3H8: (a) Full structural formula (b) Skeletal formula 2. Draw all the possible isomers of hexane C6H14 and give the name of each. 3. Draw the structural formulae for each of the following alkanes: (a) 2‚2- dimethylbutane
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As the reaction was to set up to produce a Grignard reagent and then recrystallize it to obtain pure sample. The percentage yield obtained was 55% and its melting point was 161 co which is within the literature value 160-163 co. In addition to that the IR spectroscopy confirmed the molecule structure to be triphenylmethanol. Introduction: The Grignard reagents are alkyl magnesium halides‚ R-Mg-X were first introduced in 1900. These reagents are usually prepared by reacting one atom with one molecule
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primary (1°)‚ secondary (2°)‚ or tertiary (3°) alcohols depending on whether the -OH group is attached to a carbon with 1‚ 2 or 3 other carbon atoms attached to it. These different alcohols react differently with Lucas reagent and with Bordwell-Wellman reagent; hence these reagents can be used for identifying the class of alcohol. The relative acidity of phenols can be used to characterize this class of alcohols relative to the alkyl alcohols. This property will be exploited in the identification
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Group 5 Experiment No. 5 Classifications of Alcohols: Lucas Test Q1. REACTION OF PRIMARY‚ SECONDARY AND TERTIARY ALCOHOLS WITH LUCAS REAGENT ALCOHOL IMMEDITE REACTION WITH LUCAS’ REAGENT OBSERVATIONS AFTER 5 MINUTES AT 27 °C TO 28 °C n-butyl alcohol No reaction occurred Secondary butyl alcohol cloudy Tertiary butyl alcohol Cloudy appears Q2. REACTION OF SECONDARY AND TERTIARY ALCOHOLS WITH CONCENTRATED HYDROCHLORIC ACID ALCOHOL OBSERVATIONS Secondary butyl alcohol
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bromination procedures. In order to create the alkyl halides‚ which are able to undergo chemical transformations more readily than the carbon-carbon double bond‚ onto the trans-stilbene the addition process of halogenation in needed. The typical reagents that are used‚ such as elemental bromine and liquid bromine‚ are dangerous and highly corrosive‚ so this experiment used an alternative method of bromination.
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Investigation 3 Determine the Limiting Reagent Chemistry Investigation 3 Limiting Reagents Aim: To determine the limiting reagent in a reaction. Hypothesis: if the number of moles of the solutions added together equals the stoichiometry ratio in the balanced equation‚ then we would not expect a limiting reagent in the reaction. Independent variable: The number of moles of the reactants Dependent Variable: The limiting reagent Constant Variable: The volume of reactants added Equipment:
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Manukyan Ruth Benedict was considered a founding figure of American anthropologist and Benedict taught at Columbia University. Benedict was partially deaf. She has written many books‚ many of her books were published‚ and she is very well known. Benedict views social systems as communities with common beliefs. She believes that one system cannot be better than another. I agree with Benedict’s claim that morality is simply whatever a culture deems normal behavior. It is definitely a satisfactory
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the addition reaction of Gridnard reagent and carbonyl compound‚ whereas aldehyde is the most reactive and then to ketone or ester. Primary alcohol is produced through reaction between Gridnard reagent and formaldehyde or ethylene oxide or alcohol halide; secondary alcohol is produced using Gridnard reagent and aldehyde or carboxylate; while tertiary alcohol is produced using Gridnard reagent and ketone‚ ester‚ chloride or unsaturated ester etc. Gridnard reagent is prepared by reaction between Mg
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reaction of the phenylmagnesium bromide with the carbonyl compound. However‚ before any of this could be done‚ the refluxing apparatus for the Grignard reaction was to be flame dried until no moisture remained inside because any water would cause the reagent to decompose and an alkane to form. The reaction would subsequently fail. Drierite was placed inside a plastic drying tube as a drying agent‚ absorbing all the moisture from the solvents that would later be refluxing in the apparatus and coming out
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The reagent‚ a mixture of (mainly) copper sulfate and sodium hydroxide‚ is called Benedict’s reagent. It can be purchased from many drug stores because it was once the standard test for sugar in the urine of diabetics. Some of the solution to be tested (this could be the juice or extract of the fruit or vegetable in question) is mixed with Benedict’s test reagent (by volume‚ usually about 4 solution to 1 reagent) and heated almost to boiling. A color change from the blue of the reagent to almost
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