What alkyne would you start with to prepare the compound below by a hydration reaction? CH3 Hg CCHz CH Ct2 CCH3 Select the correct response: 4-ethylpent-1-yne 4-methylhex-2-yne 3-methyl-5-hexyne 1-heptyne 4-methylhex-1-yne

Q: Predict the major product in the following reaction. Be sure to draw it with well-defined…

A: Since you have posted question with multiple sub-parts, we are entitled to answer the first 3 only

Q: From the following reactions, which one(s) would you expect to have a negative AS? 11 M IV + Br₂…

A: Entropy is defined as degree of randomness or disorderliness present in a molecule.If a molecule is…

Q: Predict the shift for the carbon indicated by the arrow. List the answer in ppm to the tenths…

A: Answer The carbon shift (C13NMR) of the indicated Carbon is predicted as 83.8 ppm.   Hint: The…

Q: a) Describe how two protons in CH2 functional group split the signal of carbon to a triplet?  b)…

A: When protons of adjacent carbon interacts, they split the signals into multiple peaks called…

Q: NMR Spectras 1H 5.0 PPM 3H GH

A:

Q: r. Waybell designs a study to investigate whether the dose of melatonin taken before bed impacts…

A:

Q: How many proton signals are there in the following molecule? HN, Answer:

A: Proton signals are identified through 1H-NMR spectroscopy. The protons present in the different kind…

Q: How many ‘H-MNR signals are there?

A: NMR spectroscopy is a technique used to study the properties of organic compounds. It is a…

Q: None

A: Approach to solving the question:  First Of  Find the Chemical Environment of Proton of…

Q: What is the structure and its peaks?

A: 2-Methoxynapthalene will show majorly peaks for methoxy group and and the aromatic part. So, first…

Q: Why is the color violet/blue at pH near 7? Answer in 1 sentence.

A: Answer -   The colours from yellow to red indicate an acidic solution, colours blue to violet…

Q: In the mass spectrum the highest peak is known as the base peak is also considered as  the parent…

A: The mass spectrum is a graph between abundance of ion and the mass-to-charge (m/z) ratio of the ions…

Q: Expected number of signals in Styrene  13CNMR how many peaks should be seen between a. 100-150ppm…

A: The question is based on the concept of Spectroscopy. We have to identify the number of signals in…

Q: How many unique 13C signals are present in the following molecule?

A: Step 1:Step 2:Step 3:

Q: 5. Did you have unknown A or B? Which unknown does your NMR indicate that you isolated and how do…

A: Part 2: Approach to solving the questionAnalyzing the NMR spectrum involves several steps:1. Peak…

Q: How would I convert this answer to nm?

A: Dimensional analysis is used to convert a physical quantity given in one type of unit to some other…

Q: What are the hazard effects of acetic acid and does it have a signal

A: Acetic acid, also known as ethanoic acid, is a common organic acid with a distinctive pungent smell.…

Q: Mixed Nomenclature where do you begin the naming here? the higher Priority group or the Louble bond?…

A:

Q: DEPT spectra ethylbenzene 90 135 100

A: DEPT is used to distinguish CH3, CH2 , CH and a quaternary carbon. A carbon is called quaternary…

Q: molecular ion peak and base peak

A: Mass spectrometry (MS) is an analytical technique that is used to measure the mass-to-charge ratio…

Q: In what ratios would the peaks of an sextet (a signal with six peaks) appear

A: We are to discuss in what ratio does the peaks of sextet occur in NMR spectroscopy.

Q: Which of the following molecules will have a base peak at (M- 43)

A: Ether show easily an alpha cleavage. In alpha cleavage, C-O bond of ether functional group will be…

Q: 33 Calculate the IHD for each of the following molecular formulas: (a) CeHe: (b) CeHsNO2: (c)…

A: The Index of Hydrogen Deficiency (IHD  is a number that represents how many molecules of H2 need to…

Q: How does the -1 go away? How come 2 still stays positive ? Even after switching sides?

A: The calcium iodide is a ionic compound as this is formed by the reaction of metal and non-metal. So,…

Q: What is the m/z values corresponding to the molecular ion and base peak for the following OH…

A: We have to find out the m/z value corresponding to the molecular ion and base peak for the given…

Q: A)What absorbance value corresponds to 80% transmittance? B)What is the new % transmittance value if…

A: Transmittance: It is the parameter that is used to measure the amount of light that is passing…

Q: Answer Q23, 24, 25

A: Answer 23 :-  B option is correct. First electron affinity of chlorine.  Electron affinity is…

Q: 1.8 750 nm 400 nm Red Violet 1.6 630 nm 430 nm 1.4 1.2 Orange Blue 590 nm 480 nm 0.8 Yellow Green…

A: Given,

Q: S.

A: Given : Compounds To find : 13-C NMR signals Solution : NMR stands for nuclear magnetic resonance…

Q: Predict the shift for the protons attached to the atom indicated by the arrow. List the answer in…

A: NMR spectroscopy is a technique used to study the properties of organic compounds. It is a…

Q: Calculate the frequency of visible light having a wave length of 486 nm. Answer in s-1 to 3 sig figs

A: The frequency of visible light is 6.172 x 10^14 /s.