in : ( 1 mark ) (a) CH3CH=CH2 (b) H2C=CH2 (c) HC C (d) None of the above (Q.4) (CH3)3CMgBr on reaction with D2O gives: ( 1 mark ) (a) (CH3)3CD (b) (CH3)3COD (c) (CD3)3CD (d) (CD3)3OD (Q.5) The silver salt of fatty acid on refluxing with an alkyl halide gives an: ( 1 mark ) (a) Acid (b) Ester (c) Ether (d) Amine (Q.6) Which of the following is the most reactive towards nucleophilic substitution reaction? ( 1 mark ) (a) C6H5Cl (b) CH2=CHCl (c) ClCH2CH=CH2 (d) CH3CH=CHCl (Q.7) The
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Charles Michael Te Herrera Date Performed: November 18‚ 2010 2009 – 14077 Ma’am Rea Abuan Experiment # 1 SOLUBILITY OF ORGANIC COMPOUNDS State what types of intermolecular forces are present in solutions formed due to intermolecular attractions between the solute and the solvent. Compound 1 Compound 2 Intermolecular Forces Class S (Water-soluble) Compounds Acetone Water Hydrogen Bonding & London Dispersion Forces Diethyl Ether Dipole – Induced
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14. Homologous series : A group of members of the same class of organic compounds‚ which differ from each other by a – CH2 group‚ when arranged in the ascending order of molecular mass‚ is called a homologous series. 15. Homologous : The members of the same class of organic compounds‚ when arranged in the ascending order of molecular mass‚ such that they differ by 14 amu or a – CH2 group are called homologous. 16. Alkanes (saturated hydrocarbons) : Compounds of carbon and hydrogen‚ in which all the
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Bio 1011 Cells Exam #1 Answer the multiple choice questions on the scantron sheet. Select the one choice that best answers the question. Answer the short answer questions in the space provided at the end of the exam. 1. Which of the following is the SMALLEST? a. a bacterium b. a ribosome c. a hexose sugar d. a water molecule e. a yeast cell 2. The four main families of small inorganic molecules in cells are a. salts‚ sugars‚ fatty acids‚ amino acids‚ nucleotides b.
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II PUC – CHEMISTRY (34) MODEL QUESTION PAPER - 1 Time: 3hours 15 minutes Maximum marks: 70 Instructions: 1. The question paper has four parts: A‚ B‚ C and D. All parts are compulsory. 2. Write balanced chemical equations and draw labeled diagrams wherever required. 3. Use log tables and the simple calculator if necessary. (Use of scientific calculators is not allowed) PART-A I. Answer ALL of the following. (Each question carries 1 mark) 10x1=10 (Answer each question in one word or
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was an air about this young minister‚ – an apprehensive‚ a startled‚ a half-frightened look‚ – as of a being who felt himself quite astray and at a loss in the pathway of human existence‚ and could only be at ease in some seclusion of his own”(75; ch3). Dimmesdale’s cowardly heart and hypocrisy show themselves by him hiding behind his question to Hester. He knows full well the answer to his question of who the father of her child is. He uses the question to hide‚ because no one in the town will suspect
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SO_4→C_6 H_5 COOH+2H_2 O+SO Benzaldehyde – H2SO4 C_6 H_5 CHO+H_2 SO_4→ H_2 O+ 〖CH〗_3 CH_2 CH=CH Q3. On the basis of solubility behavior‚ show how each of the following pairs of compounds may be distinguished from each other. A3. CH3NH2 and CH3(CH2)5CH2NH2 Both are Nitrogen-containing (amine) compounds but differ in the attached alkyl group. Immediately‚ we can conclude that
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Functional Groups of Organic Compounds A functional group is a specific arrangement of atoms in the HC derivative other than carbon and hydrogen. Literally‚ the functional group determines the functions of the particular HC derivative in chemical reactions. This means that the specific properties of the HC derivative are due to its functional group. Each functional group is attached to an alkyl radical (R). An alkyl radical is one H atom less than the given alkane. The alkyl radical (R) uses
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Semester: fall 2011 Practice to Chapter 12 (Alkenes & Alkynes *1. Consider the following: CH3CH2CH=CHCH2CH3 CH3CH2CH2CH2CH=CH2 I II CH3CH=CHCH2CH2CH3 CH2=CHCH2CH2CH2CH3 III IV Which two structures represent the same compound? A) I and II B) II and III C) I and III D) II and IV E) None of these *2. Give the IUPAC name for A) 3-Methyl-4-hexyne B) 4-Methyl-2-hexyne C) 2-Ethyl-3-pentyne D) 4-Ethyl-2-pentyne E)
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Lesson Plan Title: Factors that Affect Rate of Dissolving and Solubility Overview‚ Expectations and Rationale 1. Big Ideas: • Properties of solutions can be described qualitatively and quantitatively‚ and can be predicted 2. Ministry Expectations: Scientific Investigation Skills and Career Exploration A1.1 - formulate relevant scientific questions about observed relationships‚ ideas‚ problems‚ or issues‚ make informed predictions‚ and/or formulate educated hypotheses to focus inquiries
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