How do the rotation around carbon–carbon a bonds and the ring flip of cyclohexane rings affect an NMR spectrum?

Q: Explain Markovnikov’s rule and give an example of a reaction towhich it applies.

A: Markovnikov’s rule: unsymmetrical alkene reacts with hydrogen halide, halide ions goes to the more s...

Q: Draw the structure for compound. 1-chloro-4-methylbenzene

A: Given compound: 1-chloro-4-methylbenzene

Q: Increasing alkyl substitution stabilizes an alkene by an electrondonatinginductive effect. Explain ?

A: Alkene are hydrocarbon having carbon - carbon double bond . Increasing alkyl substituents , increase...

Q: Which MOs are the HOMO and the LUMO in the excited state? for the MOs of 1,3,5-hexatriene:

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Q: Draw a curved arrow starting from the t bond of Draw all atoms of the resulting resonance structure ...

A: The set of Lewis structures which explains the delocalization of electrons in a molecule is known as...

Q: Consider a covalent bond between carbon and hydrogen. С-Н Match the appropriate charge with each ato...

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Q: Zinc phosphate is used as a dental cement. A 50.00-mg sample is broken down into its constituent ele...

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Q: Draw the product that is formed when the compound shown below is treated with an excess of HCI. Draw...

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Q: Molecular scale view of steam condesing into liquid water

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Q: A 120 gram sample of gold absorbs absorbs 1.2 kJ of heat. How many much does the temperature of the ...

A: Given: Mass of the sample= 120 g Heat absorbed= 1.2 kJ Specific heat capacity of gold= 0.129 To find...

Q: An 80.0 g sample of iodine-131 was placed in a sealed vessel forty days ago. Only 2.5 g of this isot...

A: Decay reactions are first order reactions. Since we know that the relationship between the amount of...

Q: Convert the condensed formula HCCCH(CH,), into its expanded structure. Be sure to draw all hydrogen ...

A: The given condensed formula is to be converted to its expanded structure indicating all the hydrogen...

Q: For each highlighted bond (shown in red), select the arrow that indicates the direction of bond pola...

A: The sharing of electrons in any covalent bond is not completely equal. The relatively more electrone...

Q: Draw a crystal field splitting diagram for a trigonal planar complex ion. Assume the plane of the mo...

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Q: Draw the correct structure for compound.4,4-dimethyl-2-hexene

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Q: What was Thomson's cathode ray experiment?

A: Sir J.J Thomson's cathode ray experiment led to the discovery of the electron. This was one of the m...

Q: Draw a Lewis structure for H3O+H3O+. Include all hydrogen atoms and show all unshared electrons and ...

A: Lewis structures (also known as Lewis dot structures or electron dot structures) are diagrams that r...

Q: An iron nail with a mass of 12 g absorbs 17 J of heat. • Part A If the nail was initially at 28 °C, ...

A: The final temperature of the iron nail is to be determined (in 2 significant figures) using the give...

Q: How many molecules of SO3 can be formed from 0.75 moles of O2 (assuming excess SO2) from the followi...

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Q: Draw the octahedral crystal field splitting diagram for each metal ion. a. Cr+ c. Mn* (high- and low...

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Q: On a microscopic level, how does the reaction of bromine with a saturated hydrocarbon differ from it...

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Q: Which of the following might be best described by the following set of properties? 1. white solid me...

A: The nature of constituent atoms of a molecule, type of bonding between them and charge on atoms dete...

Q: A compound, whose formula is C7H12, is known to have a six-membered ring. In its UV–vis spectrum, th...

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Q: 1. If the temperature probe was mis-calibrated by +0.10 ˚C during both experimental procedure Part A...

A: 1. If the temperature probe was mis-calibrated during both experimental procedure , the reported mol...

Q: The carbonyl absorptions of esters X and Y differ by 25 cm−1. Whichcompound absorbs at higher wavenu...

A: Stretching frequency or frequency number:  It is also called vibrational frequency. Every molecule h...

Q: How many 1H NMR signals would you expect for each compound?

A: Given:

Q: What is the symbol for an isotope for each of the following requirements? containing one proton and...

A: 1) Given : isotope containing one proton and two neutrons. Atomic number of any isotope = number of ...

Q: What is the atomic mass for Lithium (Li) calculation given the following information?

A: Given: Atomic mass of 7Li isotope  = 7.0160 amu Atomic mass of 6Li isotope  = 6.0151 amu Abundance o...

Q: A metal is thought to be copper or gold. When 18 g of the metal absorbs 58 cal, its temperature rise...

A: Given, Mass of unknown metal = 18 g Temperature = 35℃ Heat = 58 cal

Q: In the preparation of sauces that involve mixing water and melting butter,egg yolks are added to pre...

A: A System of 2 immiscible liquid which is unstable is called emulsions.  

Q: What is the basic procedure for writing a covalent Lewis structure?

A: the basic procedure for writing a covalent Lewis structure

Q: Please watch this video and solve the following two questions ( https://www.youtube.com/watch?v=ojZ9...

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Q: Briefly define  term. . complex ion

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Q: Consider the equilibrium system described by the chemical reaction below. At equilibrium, a sample o...

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Q: Ozone in the stratosphere can be depleted in catalyzed reactions. The overall reaction for this exot...

A: Chain reaction- Reaction in which sequence of reactions produces reactive product or buy products w...

Q: Draw Lewis diagrams and predict the geometries of thefollowing molecules. State which are polar and ...

A: We can see geomtery and shape of the molecule by VSEPR Theory. Lewis diagrams and geometries and pol...

Q: How many moles of solute particles are present in 3.9 mL of 0.665 M (NH4)3PO4?

A: Given information,      Volume of solution is 3.9 mL = 0.0039 L      Concentration of solution is 0....

Q: Which of the following aqueous solutions are good buffer systems? . 0.30 M ammonia + 0.32 M ammonium...

A: Buffer solutions are those solutions which resist any change in their pH on: Adding small amount of...

Q: Determine which compounds show cis-trans isomerism. Draw and label the isomers, using both the cis-t...

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Q: 1.) Determine the number of neutrons, protons, and electrons for a bromide ion that has a mass numbe...

A: 1.) The atomic number of bromine (Br) is 35, so the bromide ion (Br-) contains 35 protons. Given the...

Q: Based on the following reactions: Rxn A: C{s) + O2(g) → CO2 (g) AHc = -393.5 kJ/mole Rxn B: C8H18() ...

A: When one mole of a substance is completely burnt in the presence of oxygen (with all of the reactant...

Q: Draw all the structural isomers for the molecular formula C, H, Br. Draw all hydrogens.

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Q: An “emulsifying agent” is a compound that helps stabilize a hydrophobic colloid in a hydrophilic sol...

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NMR Spectroscopy

NMR stands for Nuclear Magnetic Resonance in which the study of different molecules is done based on the interaction of radiofrequency electromagnetic radiations with the nuclei of molecules placed in a strong magnetic field. A precise study of spectra of visible light and all bands of electromagnetic radiation is called spectroscopy.