Nmr spectroscopy Study guides, Revision notes & Summaries
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Chem 234 Exam 1 Questions With 100% Correct Answers
- Exam (elaborations) • 10 pages • 2024
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Chem 234 Exam 1 Questions With 100% 
Correct Answers 
Allows us to determine the molecule mass and the molecular formula of a compound, as well as 
some of it's structural features - answerMass Spectrometry 
Tells us the kinds of functional groups a compound has - answerInfrared (IR) Spectroscopy 
Provides information about the carbon-hydrogen framework of an organic compound - 
answerNuclear magnetic resonance (NMR) spectroscopy 
A very small sample is placed in a mass spectrometer, where it i...
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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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Chemistry for Biology Students (CHEM0010) Notes - Spectroscopy
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Explore Chemistry for Biology Students with these specialized notes tailored for Year 1 students at University College London. Immerse yourself in the fascinating world of spectroscopy, where discussions unfold on the properties of light, UV-visible light, and the principles of infrared and NMR spectroscopy. Please note that these materials are intended for personal use only and should be used in accordance with academic integrity guidelines.
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Chem 234 Already Passed Exam Questions and CORRECT Answers
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Allows us to determine the molecule mass and the molecular formula of a compound, as well 
as some of it's structural featuresMass Spectrometry 
Tells us the kinds of functional groups a compound hasInfrared (IR) Spectroscopy 
Provides information about the carbon-hydrogen framework of an organic 
compoundNuclear magnetic resonance (NMR) spectroscopy 
A very small sample is placed in a mass spectrometer, where it is vaporized and then ionized 
(electron removed from each molecule). Electron ...
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Identification of Unknown Compound by NMR Spectroscopy + Detailed Discussion
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Identification of Unknown Compound by NMR Spectroscopy + Detailed Discussion
Make study stress less painful
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OCR 2023 Chemistry A H432/02: Synthesis and analytical techniques A Level Question Paper & Mark Scheme (Merged)
- Exam (elaborations) • 67 pages • 2024
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2 
OCR 2023 
Section A 
You should spend a maximum of 20 minutes on this section. 
Write your answer to each question in the box provided. 
1 Which compound is used for proton exchange in NMR spectroscopy? 
A CCl 
4 
B CDCl 
3 
C D2O 
D Si(CH3 
) 
4 
Your answer 
[1] 
2 Which compound reacts with 2,4-dinitrophenylhydrazine but does not react with Tollens’ 
reagent? 
A C6H5COCOOH 
B C6H5CH(OH)CHO 
C CH3COCHO 
D CH3CH2CH(OH)CH3 
Your answer 
[1] 
3 Propyne, CH3C≡CH, is a member of the alkynes ...
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CHE 233 Final UKY Organic 2 Chemistry Lab Questions With Complete Solutions
- Exam (elaborations) • 8 pages • 2023
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Determine the limiting reagent and excess reagent in the reaction you will perform in this experiment. correct answer: Excess Reagent: methanol 
Limiting Reagent: triglyceride 
 
Unsaturated Fatty Acids correct answer: have one (or more) C=C bonds. 
 
Saturated Fatty Acids correct answer: have no C=C bonds. 
 
The addition of water to sodium methoxide produces _______________ and ________________ correct answer: Sodium Hydroxide; Methanol 
 
After completion of the experiment, where do you d...
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Chem 234 Exam 1 Questions With 100% Correct Answers
- Exam (elaborations) • 10 pages • 2024
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- £10.19
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Chem 234 Exam 1 Questions With 100% 
Correct Answers 
Allows us to determine the molecule mass and the molecular formula of a compound, as well as 
some of it's structural features - answerMass Spectrometry 
Tells us the kinds of functional groups a compound has - answerInfrared (IR) Spectroscopy 
Provides information about the carbon-hydrogen framework of an organic compound - 
answerNuclear magnetic resonance (NMR) spectroscopy 
A very small sample is placed in a mass spectrometer, where it i...
-
CHE 233 final exam| 103 Questions | With Complete Solutions
- Exam (elaborations) • 17 pages • 2023
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Determine the limiting reagent and the excess reagent for the biodiesel lab 
 
Excess reagent _____________ 
limiting reagent _____________________ correct answer: methanol, triglyceride 
 
Complete the statements below by matching the following 
 
saturated fatty acids have ______ __________ bonds 
 
unsaturated fatty acids have _____ ____________ bonds correct answer: no C=C, one C=C 
 
The addition of water to sodium methoxide produces ___________ _______________ and _________________ corre...
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CHE233 Final Questions And Answers
- Exam (elaborations) • 6 pages • 2023
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Determine the limiting reagent and excess reagent in the reaction you will perform in this experiment. correct answer: Limiting reagent- triglyceride 
Excess reagent- methanol 
 
unsaturated fatty acids correct answer: one/more C=C bonds 
 
saturated fatty acids correct answer: no C=C bonds 
 
The addition of water to sodium methoxide produces_________ & ________ correct answer: sodium hydroxide, methanol 
 
After completion of the experiment, where do you dispose of FAMEs? correct answer: ...
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