1 Haloalkanes and Haloarenes IIT-JEE Chemistry Siddhivinayaka Educational Academy Rajendra Nagar Chowk Link Road Bilaspur Ph-07752- 237799/238799 Website : www.bajpaigroup.com. e-mail - info@bajpaigroup.com CHAPTER 23 LEARNINg OBJECTIvES (i) Name haloalkanes and haloarenes according to the IUPAC system of nomenclature from their given structures. (ii) Describe the reactions involved in the preparation of haloalkanes and haloarenes and understand various reactions that they undergo.
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A- HPTLC Flavonoid profile of methanol extract M. concanensis leaves B- HPTLC Flavonoid profile of methanol extract M. concanensis flowers C- HPTLC Flavonoid profile of methanol extract M. concanensis seeds 4.2.3.1 C) HPTLC Phenol profile of M. concanensis Nimmo. HPTLC finger printing of M. concanensis was done by using selected solvent system Chloroform: Ethyl acetate: Formic acid (50%:40%:10%v/v) for leaf‚ flower and seed extracts‚ visualized under UV 254 and 366 nm showed more
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Introduction An essential oil is a concentrated hydrophobic liquid containing volatile aroma compounds from plants. Essential oils are also known as volatile oils‚ ethereal oils or aetherolea‚ or simply as the "oil of" the plant from which they were extracted‚ such as oil of clove. Volatile oils are the odorous and volatile products of various plant and animal species. As they have a tendency to undergo evaporation on being exposed to the air even at an ambient temperature‚ they are invariably termed
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Maleic anhydride underwent the Dials-Alder reaction with distilled cyclopentadiene as the dienophile. The reaction was a cycloaddition which produced cis-Norbornene-5‚6-endo-dicarboxylic Anhydride surface. (1) Product one had a mass of 9.351 grams and product two had a mass of 9.572 grams. The theoretical yield was found to be 10.047 grams‚ which makes the percent yield to be 93.07%. Melting Points were found to confirm the purity of the product. Product one had a melting point of 163.7-164
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Steam distillation of cloves produced 0.53g of an oil which contained in its IR spectrum the functional groups O-H (at 3520 cm-1)‚ sp2 C-H (3080 – 3000 cm-1)‚ aliphatic C-H (2980 – 2940 cm-1)‚ and both alkene C=C (at 1640 cm-1) and aromatic C=C (at 1514 cm-1). The IR spectrum is attached to this report. These data are consistent with the structure of eugenol‚ shown in Figure 2 below: In addition‚ the IR of the product from the steam distillation of cloves closely corresponds with that of an
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say that a hydrocarbon is saturated‚ we mean that the carbon is saturated with other atoms. It can only bond to a new atom if it gives up one of the atoms it is already bonded to. Hydrocarbons that contain at least one double carbon bond are the alkenes and those that contain at least one triple carbon bond are called alkynes. These are compounds that are also known as unsaturated molecules. Lastly‚ aromatic‚ is a class of cyclic hydrocarbons that contain a closed loop of electrons. Generally
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(positive) and Basic Oxidation test (positive). From these results the unknown sample can be classified as non-aromatic and unsaturated. INTRODUCTION Hydrocarbons are organic compounds that consist of only C and H atoms. They include the alkanes‚ alkenes‚ alkynes‚ and aromatic hydrocarbons. Because of their relatively non-polarity‚ all hydrocarbons are insoluble in water. When hydrocarbons burn in sufficient oxygen‚ carbon dioxide and water are the sole products. The main structural difference among
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D1: Pharmaceutical drugs D.1.1 List the effects of medicines and drugs on the functioning of the body. Drug or medicine is a substance that does one or more of the following: Alters physiological state – consciousness‚ activity level‚ coordination Alters incoming sensory experience Alters mood or emotion The active ingredients in drugs and medicines can be isolated from a plants and animals or synthesized artificially. Drugs supposed to assist human body’s
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University of Maryland‚ College Park Department of Chemistry and Biochemistry CHEM 231: Organic Chemistry I‚ Fall 2014 The Highlights Bonnie Dixon TA: Courney Love Office: CHM 2130 email: bdixon1@umd.edu email: clove@umd.edu When/Where: Lecture MWF 9 a.m. – 10 a.m. in CHM 1407 Discussion T/H at 12:30 pm‚ 2 pm‚ and 3:30 pm in the CHM 1228 Course Materials: Organic
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of molecules. Caffeine had already existed in the leaf itself but needed to be separated from the other chemicals. Caffeine’s chemical structure is relatively similar to the nucleic acid purine in that they use nitrogen and is bicyclic but lacks an alkene‚ amine and an amide. Caffeine has a solubility of 67.0 g/100 mL in boiling water but tannins also boil in hot water to form catechin. Catechin cannot react with water but it can with calcium carbonate. The calcium carbonate was added into the reflux
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