Trinitrotoluene‚ TNT‚ or 2‚4‚6-trinitrotoluene‚ is a nitro chemical compound with the formula C₆H₂(NO₂)₃CH₃. TNT is a yellow-colored solid and contains in its structure three NO2 groups and one –CH3 group all bonded to carbon atoms on the aromatic ring (Juhasz and Naidu 2007‚ Pichtel 2012). Oxygen and nitrogen are the two highly electronegative elements where oxygen possesses the highest electro-negativity. Subsequently‚ the polarized N–O bonds within the nitro groups makes them easily reducible (Esteve-Nunez
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Mona Vaidya April 8‚ 2014 Professor Diaz Chem 317 Section: 20711 Lab Experiment: Nitration of Bromobenzene Introduction: The chemical reaction of nitration consists of a nitro group being added to or substituted in a molecule. Nitration can basically be carried out by a mixture of concentrated nitric acid and sulfuric acid; this mixture is useful to obtain the active nitronium ion. Electrophilic aromatic substitution is a method used when a functional group is needed to be substituted on
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likely to only affect the yield result‚ and not the chemical structure of the synthesis. Conclusion Judging by the results from the IR spectra‚ Melting point determination and chemical tests‚ It can be assumed that Benzanilide and Methyl 3-Nitro benzoate were both successfully synthesised. Unknown compound E was identified as compound 6‚ 1-(4-Aminophenyl) ethanoate. Unknown compound B was identified as compound 4‚ 1- (4-Nitrophenyl)
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References: 1Agrawal‚ Abhinash; Tratnyek‚ Paul‚ Reduction of Nitro Aromatic Compounds by Zero-Valent Iron Metal‚ Environ. Sci. Technol.‚ 1995‚ 30 (1)‚ pg. 153–160 http://pubs.acs.org/doi/abs/10.1021/es950211h. 2 An Introduction to Chemical Systems in the Laboratory‚ Hayden-McNeil‚ University of Illinois‚ Urbana-Champaign
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UNIVERSITY TUNKU ABDUL RAHMAN FACULTY OF SCIENCE BACHELOR OF SCIENCE(HONS)BIOCHEMISTRY YEAR 1 SEMESTER 1 UDEC1164 ORGANIC CHEMISTRY Name: Cheong Wai See Student ID: 1404057 Practical Group: 1 Title of Experiment: Name of Tutor: Dr. Mohammod Aminuzzaman Date: 24 February 2016 Tiltle: Nitration of Methyl Benzoate Objectives: -To prepare methyl-3-nitrobenzoate from nitration of methyl benzoate by electropilic aromatic substitution. -To calculate the percentage yield and get the melting point of methyl-3-nitrobenzoate
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whilst also manipulating facts in favour of Hollywood glamour. The Gilford Four were sentenced on the basis of false evidence manipulated by the prosecution. Despite the court’s knowledge that nitro-glycerine (a compound used in the manufacturing of explosives) was a common component of dishwashing liquid‚ the nitro-glycerine found on a pair of dishwashing gloves from the residence of the Gilford four was presented to the court in such an indisputable light that left the public with no uncertainty of
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Abstract:The Wittig Reaction is a nucleophilic addition in which an alkene is formed as a product. Both the E and Z isomers of the alkene result. Substituents on the aromatic aldehyde affect the E/Z ratio of products that form. In this experiment‚ a nitro group was used as the substituent in the ortho‚ meta and para positions‚ with benzaldehyde as the control. Each of the four aldehydes reacted with (carbethoxymethylene) triphenylphosphorane to produce ethyl cinnamate‚ ethyl-3-(2-nitrophenyl)acrylate
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test. The reagents used in this experiment are: copper nitrate‚ ethanol‚ ethanoic acid‚ diethyl ether‚ 5% HCl‚ concentrated sulphuric acid‚ litmus paper‚ acetic acid‚ sucrose‚ methylamine‚ benzoic acid‚ 5% NaOH‚ 15% HCl‚ butyl bromide‚ buteraldehyde‚ nitro phenol‚ propanone‚ 5% NaHCO3‚ and phenolphthalein. This experiment is quite simple but it requires proper handling of chemicals since the chemicals used are toxic. Moreover‚ this experiment requires proper observation especially the solubility test
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experience. Alfred visited the USA‚ Sweden‚ Germany and France. In Paris he worked in a chemical laboratory with professor Pelouza. There he met an Italian chemist‚ Sebrer‚ who discovered nitro-glycerine. In 1863 Alfred and his family moved back to Stockholm. His father opened a new factory for producing nitro-glycerine in a small town nearby‚ called Helene-Borg. A year later the factory exploded. It was a big tragedy because many people were killed including Alfred’s younger brother Emil. His father
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Answers to Selected Exercises For Principles of Econometrics‚ Fourth Edition R. CARTER HILL Louisiana State University WILLIAM E. GRIFFITHS University of Melbourne GUAY C. LIM University of Melbourne JOHN WILEY & SONS‚ INC New York / Chichester / Weinheim / Brisbane / Singapore / Toronto CONTENTS Answers for Selected Exercises in: Probability Primer 1 Chapter 2 The Simple Linear Regression Model 3 Chapter 3 Interval Estimation and Hypothesis Testing
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