Electrophile Study guides, Class notes & Summaries
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Chem 210 Exam 3 Questions and Correct Answers, With Complete Solution
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Chem 210 Exam 3 Questions and Correct Answers, With Complete Solution. 
 
what face of the pi bond can EAR occur from? 
either face 
how many products do EARs on an alkene form? 
4 stereoisomeric products 
Brainpower 
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in a substitution rxn, what does H-O act as? 
nucleophile and replaces LG 
in an elimination rxn, what does H-O acts as? 
base and abstracts BH atom 
what is a requirement for elimination rxns? 
beta hydrogen 
what is a requirement for substitution rxns? 
leaving group 
...
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PSU Chem 210 Final Review Questions with Correct Solutions | Graded A+
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E2 Reaction - One-Step with no intermediates, Base takes off proton + LG leaves with double bond formation. 
 
What type of carbons do E2 rxns favor? - Tertiary 
 
What is a Zaitsev product? - Double bond formation on more substituted carbon 
 
What is a Hoffman product? - Double bond formation on less substituted carbon 
 
When using a stericallly hindered base (t-BuOK, LDA), which product is more favorable? - Hoffman 
 
When using Eto- or less sterically hindered base, which pro...
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Acetaminophen || Questions and 100% Accurate Answers.
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Identify the sources of acetaminophen exposure in cats and dogs. correct answers 1. Acetaminophen is present in more than 200 prescription and OTC formulations. 
 
2. Most toxicoses result from well-meaning but ill-informed administration by owners. 
 
3. Accidental ingestion of owner's medications. 
 
Why is acetaminophen not commonly used in cats and dogs? correct answers Low therapeutic index 
 
What is the level of plasma protein binding of acetaminophen? correct answers 1. Poor protein bin...
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DAT Test Bank Questions with Answers 100% correct | 2024 update
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DAT Test Bank Questions with Answers 100% correct | 2024 update 
 
DAT Test Bank Questions with Answers 100% correct | 2024 update 
Contains marking scheme 
 
Survey of Natural Sciences 
 
 
Which of the following viral genomes can be directly translated into protein by the host cell’s translation machinery? 
 	Double-stranded DNA 
 
 	Single-stranded DNA, coding (+) strand 	Double-stranded RNA 
 	Single-stranded RNA, coding (+) strand 
 
 	Single-stranded RNA, template (–) strand 
 
 
 
 	...
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AQA A Level Chemistry- Organic Chemistry questions and answers 100% guaranteed success.
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AQA A Level Chemistry- Organic Chemistry questions and answers 100% guaranteed success. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Empirical formula - ANS.The simplest whole number ratio of atoms of each element present in a compound 
 
How to find the empirical formula - ANS.Obtain the mass of each element present in grams 
(Element % = mass in g = m) 
 
Determine the number of moles of each type of atom present 
 
Divide the number of moles of each element by the smallest number of moles 
 
Co...
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PMC 101- Organic chemistry Questions and Answers 2023
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PMC 101- Organic chemistry Questions and Answers 2023 
When showing electron movement during reactions? 
The octet rule must be fulfilled and electrons move from the nucleophile to the electrophile 
 
 
 
Which of the following carboxylic acids or carboxylic acids derivatives is the most reactive to a nucleophilic attack at the carbonyl carbon? 
Methanoyl chloride 
 
 
 
Which of the following statements is false regarding the chemistry of acyl phosphates? 
Acetyl-CoA and acyl phosphates can und...
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OCR A-Level Chemistry Paper 2 2022 ALL ANSWERS 100% CORRECT GUARANTEED GRADE A+
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What is an alkene and its general formula? 
It is an unsaturated hydrocarbon with a least one C=C bond. General formula is CnH2n 
What is a sigma bond? σ 
single covalent bond formed when two s orbitals overlap. High electron density 
What is a pi bond? 
sideways overlap of p orbitals that occur in a double or triple bond. Much weaker than sigma, low bond enthalpy and lower electrostatic attraction 
Is an alkane or an alkene more reactive? 
Alkene. contains both sigma and pi bonds with high ele...
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DAT Test Bank Questions with Answers 100% correct | 2024 update
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DAT Test Bank Questions with Answers 100% correct | 2024 update 
 
DAT Test Bank Questions with Answers 100% correct | 2024 update 
Contains marking scheme 
 
Survey of Natural Sciences 
 
 
Which of the following viral genomes can be directly translated into protein by the host cell’s translation machinery? 
 	Double-stranded DNA 
 
 	Single-stranded DNA, coding (+) strand 	Double-stranded RNA 
 	Single-stranded RNA, coding (+) strand 
 
 	Single-stranded RNA, template (–) strand 
 
 
 
 	...
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AS Level Chemistry A H032/02 Depth in chemistry Sample Question Paper
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Bromine is a reactive element. It combines with other non-metals to form covalent compounds. 
Phosphorus tribromide, PBr3, and iodine monobromide, IBr, are examples of covalent compounds used in 
organic synthesis. 
(a) PBr3 can be prepared by heating bromine with phosphorus, P4. 
(i) Write an equation for this reaction. 
…………………………………………………………………………………………. [1] 
(ii) How many molecules are present in 1.3535 g of PBr3? 
number of...
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Chem 210 Exam 3 Questions with Complete Solutions Rated A+
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less - the more s character a carbocation has, the _____stable it is 
 
the same as - when looking at an epoxide, the orientation around the oxygen is _________ the orientation around the double bond in the reactant 
 
BrOH - when added with base makes an epoxide 
 
Br2 - adds 2 Brs in anti conformation 
 
lindlar catalyst - produces a Z alkene from an alkyne (adds 2 Hs in syn) 
 
add more electronegative atom, add pi bond - 2 ways of producing an oxidation reaction 
 
remove e...
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