name for A) 3-Methyl-4-hexyne B) 4-Methyl-2-hexyne C) 2-Ethyl-3-pentyne D) 4-Ethyl-2-pentyne E) 3-Methyl-2-hexyne 3. What is the IUPAC name for this compound? A. cis-1-ethyl-2-methylethene B. trans-2-pentene C. 1-methyl-butene D. trans-methylbutene E. cis-2-pentene *4. A correct IUPAC name for the following compound is: A) 3‚6‚7-trimethyl-4-bromo-1-octene B) 4-bromo-3-methyl-6-isopropyl-1-heptene
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These polymers can be viewed as either PE with exclusively methyl branching‚ or copolymers of ethylene and propylene. These materials were synthesized in two forms: (1) homopolymers having methyl branches at precise increments‚ and (2) random copolymers with 1‚9-decadiene with a statistical distribution of methyl branches along the PE backbone. The thermal properties of these two materials are distinctly different. The precisely spaced methyl-branched ADMET polymers display a much sharper melting transition
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natural resources such as wintergreen oil or can be synthesized. Through a series of chemical reactions with cheap raw materials beginning with beginning with methyl salicylate and‚ it is a cheaper and more efficient method of making salicylic acid from natural resource of benzene. The purpose of the experiment is to prepare salicylic acid methyl salicylate‚ and compare it to the one already made naturally from benzene to determine any differences
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food that we eat to check if it is safe to use for us humans and not harm us. With pH‚ products have become safer and less harmful to our environment and ourselves. Materials Various indicators ● Bro blue ● Phe red ● Met red ● Methyl blue ● Met orange ● Methyl yellow Various unknowns Watch trays Procedures 1. Take 6 indicators that are all different colors. 2. Take the 4 unknowns numbered 14 3. Take a watch tray and wash it down before using it. 4. Put the indicator that is numbered 1in 6 slots on the watch tray
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Accepted November 23‚ 2010; Published Online December 14‚ 2010 Methyl ester derivatives of fatty acids were analyzed for the determination of the constituents of Datura seed oil. Gas chromatography coupled to mass spectrometer was used for these analyses. Results delivered that there were saturated as well as unsaturated fatty acids in Datura alba seed oil. Total of 15 different fatty acid components were identified and quantified. Methyl linoleate was found in highest concentration (16.22%) among the
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curve‚ corresponding to the above three stages. Reactions (1) and (3) can be indicated by phenolphthalein and that of reaction (2) can be indicated by methyl orange. Stoichiometry confines each of the above pH reactions to react according to a mole ratio of 1 : 1. This means‚ say from equation (2)‚ the number of mole of HCl(aq) determined from the methyl orange titration is equal to the number of mole of NaHCO3(aq). Likewise‚ total number of moles of NaOH(aq) and Na2CO3(aq) in the solution mixture can
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of bromophenol blue. 2. To construct a standard concentration curve of bromophenol blue. 3. To determine the concentration of the unknown bromophenol blue solutions. 4. To determine the concentration of two different solutes‚ bromophenol blue and methyl orange in a mixture. Materials and Methods: Refer to Biological Science practical manual page 5-11. Results: Part 1: Determination of Amax of bromophenol blue The wavelength with maximum absorbance reading form the graph is 590nm. Part 2: The
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Limiting Reagents and Percentage Yield Worksheet 1. Consider the reaction I2O5(g) + 5 CO(g) -------> 5 CO2(g) + I2(g) a) 80.0 grams of iodine(V) oxide‚ I2O5‚ reacts with 28.0 grams of carbon monoxide‚ CO. Determine the mass of iodine I2‚ which could be produced? 80 g I2O5 1 mol I2O5 1 mol I2 1 333.8 g I2O5 1 mol I2O5 28 g CO 1 mol CO 1 mol I2 253.8 g I2 1 28 g CO 5 mol CO 1 mol I2 b) If‚ in the above situation‚ only 0.160 moles‚ of iodine‚ I2 was produced
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Synthesis of p-Nitroacetanilide (electrophilic aromatic substitution) In this experiment‚ we convert acetanilide to p-nitroacetanilide. [pic] The mechanism for the nitration is that of electrophilic aromatic substitution. The nitronium ion is directed to the positions ortho and para to the acetamido (-NHCOCH3) group. This occurs because the resonance electron-releasing effect of that group increases the electron density at those positions‚ helping to stabilize the intermediates that
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| Mixed and the color turned red | 2-Methyl-2-Propanol | Change in color (yellow) | Bubbles and turned pink | Discussion: Butanol: H3C-CH2-CH2-CH2-OH 2-Propanol: H3C-CHOH-CH3 2-Methyl-2-Propanol: 2-Methyl-2-Propanol is only alcohol reacted with HCL 2-Methyl-2-Propanol+HCL=====>2-chloro-2-methylpropane+ H2O substitution reaction 2-Propanol+KMnO4=====>Propan-2-one and for 2-Methyl-2-Propanol it can not react with KMnO4
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