more time by the negative oygen atom. Helps dissolve organic compounds because of ability to form hydrogen bonds. b. Carbonyl group is a carbon atom that is double bonded to a oxygen atom. The 2 types of Carbonyl group compounds (Ketones and Aldehydes) can be structural isomers‚ which would give them different properties. c. Carboxyl group is a oxygen atom double bonded to a carbon atom and bonded to a –OH group. Basically a combination of the Hydroxyl and Carbonyl groups. Acts as an acid
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dibromo-4-bora‚ 3a‚ 4a-diaza-s-indacene and 8-(4-(decyloxy) phenyl)-1‚ 3‚ 5‚ 7-tetramethyl-2‚ 6 diiodo-4-bora‚ 3a‚ 4a-diaza-s-indacene both commence with the synthesis of 4-(decyloxy) benzaldehyde. Following standard procedures and using the resulting aldehyde‚ along with 2‚4-dimethylpyrole‚ a BODIPY dye was obtained [36]. To facilitate intersystem crossing‚ the 2- and 6- positions of the boradiazaindacene ring system were iodinated with an iodic acid-iodine mixture [37]. Bromination at the same positions
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isomers and give their names. 7. A CH3CH2CO2H B CH3CH(OH)CH2CH3 C CH3CO2CH3 D CH3CH2COCH2CH3 E CH3CH2CONH2 F H2NCH2CH2CH3 G C6H5CHO A list of seven organic compounds is given above. (a) Which compound is (i) an ester; (ii) an aldehyde; (iii) an alcohol; (iv) an amide (v) an aromatic compound (vi) an acid? (b) Which two compounds are structural isomers? (c) Which compound has chiral center? Mark its chiral center on the structure with an asterisk. 8. Give the IUPAC
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Chemistry class (XI-XII) Objectives 1. To promote understanding of basic principles of Chemistry. 2. To apply the concepts of Chemistry useful in real life situation for making learning of Chemistry more rele vant‚ meaningful and interesting. 3. To develop positive scientific atti tude and appreciate contribution of Chemistry towards the improvem ent of quality of human life. 4. To develop problem solving skills and nurture curiosity‚ aesthetic sense and creativity. 5. To inculcate
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Formaldehyde as a model protein crosslinking reagent. Understanding protein-protein interactions is becoming a vital study for application in the development of new age pharmaceuticals and utilization in diagnostic models. The overall aim is to gain an insight into the function and role of individual proteins with specific interest on how they react in cells‚ (Toews et al. 2008). The biopharma industry in Ireland is becoming a booming success for the economy therefore a complete understanding of
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solution. Structurally the two isomers look like this: Glucose Fructose The differences don ’t end there. Glucose has an aldehyde group (--CHO)‚ at position 1 making it an aldohexose. Fructose‚ on the other hand‚ has a ketone group (--O--)‚ at position 2 making it a ketohexose. Aldehyde groups can
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Solid State Solutions Electrochemistry Chemical Kinetics Surface Chemistry General Principles and Processes of Isolation of Elements p-block Elements d & f- Block Elements Co-ordination Compounds Haloalkanes and Haloarenes Alcohols‚ Phenols & Ethers Aldehydes‚ Ketones & Carboxylic Acids Organic Compounds Containing Nitrogen Biomolecules Polymers Chemistry in Everyday Life The question paper will include value based question(s) to the extent of 3-5 marks. 162 DESIGN OF QUESTION PAPER CHEMISTRY
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Organisational Change and Transformation INTRODUCTION Organisational change practice and research aims at the improvement and development of organisations for the purpose of enhancing effectiveness and responsiveness to external changes through better people management‚ competence‚ communications‚ systems and structures. It is not a discipline that has more practical relevance in one sector than in another: the methods and approaches of the discipline are being applied in business and government
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Summary for Quiz Monday‚ May 30‚ 2005 12:13 AM Title Identification of Some Macromolecules Gist of Experiment • Use different tests to check for the existence of macromolecules in various substances o Iodine test checks for starch and/or glycogen o Benedict’s test checks for reducing sugars o Biuret test checks for protein Notes on Underlying Theory Introduction • The most abundant elements in living material are: o Carbon
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The terminal aldehyde group makes it an aldose sugar‚ which reacts in Benedict’s test to make glucose a reducing sugar. Blue solution will develop precipitate ranging from yellow‚ green‚ red or brown (positive). 8) What happens when benedict’s solution mixes with solution with reducing sugar? The blue cupric ions (Cu++) in benedict’s solution get reduced to Cu+ by the terminal aldehyde group. The amount of Cu2O formed is proportional to the concentration of free aldehyde groups. 4Cu+ +
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