PAC-II COMPLEXOMETRIC TITRATION Course Contents: C OMPLEXOMETRIC TITRATION T ITRATION Complexation‚ Chelation. Werner’s co-ordination number‚ Titrants Stability of complexes‚ titration curves. Types of complexometric titrations. Methods of detecting end point‚ Standardization. Application of complexometric titrations. COMPLEXOMETRIC TITRATIONS COMPLEXOMETRIC TITRATIONS What is Complexometric Titration (CT)???? What What is a complex metal ion? A complex
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r;’:: tf fv‚ ‚i F-DTN-M-QTJB POLITICAL SCIENCE AND INTERNATIONAL RELATIONS Paper II Time Allowed : Three Hours Maximum Marks 300 INSTRUCTIONS Each question is printed both in Hindi and in English. Answers must be written in the medium specified in the Admission Certificate issued to you‚ which must be stated clearly on the cover of the answer-book in the space provided for the purpose. No marks will be given for the answers written in a medium other than that specified in the Admission Certificate
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substrates only preferably in a polar protic solvent with a poor nucleophile. Additionally‚ tertiary substrates are better than secondary substrates for Sn1 because of the stabilization of the carbocation with the polar protic solvent increasing the stability of the carbocation. There is always competition between substitution and elimination reactions depending on the conditions of the reaction. Under normal circumstances Sn1 is always accompanied by E1 as the minor product but E1 products can be favored
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University of Illinois - Springfield Copyright © 2014 The McGraw-Hill Companies‚ Inc. Permission required for reproduction or display. 1 Bonding • Bonding is the joining of two atoms in a stable arrangement. • Through bonding‚ atoms attain a complete outer shell of valence electrons (stable noble gas configuration). • Atoms can form either ionic or covalent bonds to attain a complete outer shell (octet rule for second row elements). • Ionic bonds result from the transfer of electrons from one element
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John Roselli John Roselli (Filippo Sacco) first became involved in crime when he worked for Al Capone in the 1920s. By the end of the Second World War Roselli had emerged as a senior crime boss in Las Vegas with close links to Meyer Lansky. In 1947 the Federal Bureau of Investigation (FBI) identified him as a leading figure in the Mafia and a close associate of Santos Trafficante. In March I960‚ President Dwight Eisenhower of the United States approved a Central Intelligence Agency (CIA) plan
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its whats on the inside that counts and apperance doesnt matter. This is hard to belive and there are no known examples of love being found this way. People care about the material things such as how much money‚ cleanliness etc. Normal people want stability and comfort. However‚ some would argue that if you connect with someone on a romatic level then who they are on the outside doesnt matter‚ and that if it was true love then you would get round th eother person flaws. But‚ if this person was say homeless
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Analysis of RL and RC Networks 3.4.1 Series RL Network + + VR R- Im Z jXL = jωL V + L VL - Re 0 R Z = ZR + ZL = R + jXL XL = ωL > 0 2 2 Z = R + XL −1 ⎛ X L ⎞ φZ = tan ⎜ ⎟ ⎝R⎠ V = VR + VL = IR + IjXL = IZ Im V VL 0 Re I VR I 3.4.2 Series RC Network Im + + R VR + C VC - R 0 jXC = -j/ωC Z = ZR + ZC = R + jXC Re V - Z XC = -1/ωC < 0 2 Z = R2 + X C −1 ⎛ X C ⎞ φ Z = tan ⎜ ⎟ ⎝R⎠ V = VR + VC = IR + IjXC
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Born-Oppenheimer approximation. Along with nuclear dynamics problem‚ electronic structure problem is one of the two steps to study quantum mechanical motion of a molecular system. Except for a small number of simple problems such as hydrogen-like atoms‚ the solution of electronic structure problems require modern computers. Electronic structure problem is routinely solved with quantum chemistry computer programs. Electronic structure calculations rank among the most computationally intensive tasks
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Christopher Torres Environmental Studies Notes Chapter 1 Understanding Our Environment Atmosphere: Air Hydrosphere: Water (Ice-Cryosphere) Geosphere: Land Biosphere: Everywhere you find living thing Science: ”To know” A way of knowing following scientific methods that gives you higher chance of objective and accurate answers Basic Principles of Science Empiricism: Science is evidence based Uncertainty/Proof is elusive: Science can’t prove anything Can support hypothesis Scientific
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Chapter 5: Solutions‚ Colloids‚ and Membranes Chapter Summary Mixtures and Solutions * A mixture maintains its identity regardless of the proportions of its components. * A mixture can be separated into its pure components through physical separation techniques. * The components are distributed uniformly throughout a homogenous mixture. * The components are not distributed uniformly throughout a heterogeneous mixture. * A solution is composed of a solvent and one or more solutes
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