If chlorophyll had absorption peaks at 550 nm and 650 nm rather than 425 nm and 660 nm what colour would the leaf appear to your eyes?

Q: What can be described if a sample analyzed by AAS shows the following results:

A: Given atomic absorption spectrum:

Q: The functional groups in an organic compound can frequently be deduced from its infrared absorption…

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Q: What are the analytical applications of Atomic Fluorescence Spectroscopy?

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Q: In what wavelength range would you expect to find the maximum in the absorption spectrum of the dye…

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Q: Choose the correct compound for the given IR spectrum. % Transmittance 100 80 8 9 20 0- 4000 3500 O…

A: The question is based on the concept of organic spectroscopy. We need to analyse the spectral data…

Q: What factors influence the wavelength of maximum emission and maximum excitation in fluorescence…

A: There are many factors that can influence the wavelength of maximum emission and maximum excitation…

Q: s prepared and its absorbance was recorded with a 0.01 cm sample cell to give 0.88 % transmittance…

A: Given, %T = 0.88 l= 0.01 cm Wavelength λ = 400 nm = 4×10-9m 1) Thienothiophene, Molar absorption…

Q: Methyl butanoate mass spectrum was obtained at 70eV. When the electron energy is lowered to a few eV…

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Q: Explain the origin of (a) absorption, (b) phosphorescence, and (c) Raman spectra. You may draw the…

A: Jablonski diagram describes electronic states of molecule and the transitions between them. The…

Q: Fill in the Blanks Type your answers in all of the blanks and submit X² Ω· Determine the number of…

A: Given,The number of signals tells the number of chemically non - equivalent protons in a molecule.

Q: Describe the basic differences between fundamental vibrations and overtones in IR spectroscopy.

A: Fundamental Vibration : Fundamental vibration occur when a vibrational mode is excited from v=0 to…

Q: What is the dissociation energy, D (in kJ/mole) for this Morse oscillator?

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Q: Why is fluorescence generally more sensitive than absorption measurements

A: Why is fluorescence generally more sensitive than absorption measurements?

Q: (b) The UV-visible electronic absorbance spectrum of the following azo dye has an absorption maximum…

A: Given:Determine the difference.A type of synthetic dye that contains the azo group , which gives…

Q: Discuss how the process of nuclear magnetic resonance is used to identify the structure of organic…

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Q: Which compound would be expected to show intense IR absorption at 1710 cm-1 B C D COH

A: The compound corresponding to the given IR peak can be determined by observing the functional groups…

Q: 5. Identify C=O overtone in acetone spectrum which corresponds to the transition from ground level,…

A: The overtone band observed in the IR spectrum is one such transition with ∆v=2, from v=0 to v=2…

Q: A 10 ppm solution of lead produces an absorption signal of 12%; what is the atomic absorption…

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Q: Describe different types of shifts in UV/VIS spectroscopy and give examples of they might occur?

A: Answer-  UV/Visible  spectroscopy - The Principle of UV-Visible Spectroscopy is based on the…

Q: what is the relationship between absorbance and transmittance? kindly explain it briefly

A: Incident light can be defined as the light that strikes on a solution.

Q: The beer-lambert law is A = εlc, where A is the absorbance, ε is the molar extinction coefficient, l…

A: The beer-lambert law is., A = εlc where A is the absorbance ε is the molar extinction coefficient l…

Q: In the chemical literature, NMR data is not presented as the entire spectra because that would take…

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Q: what are the major peaks of the spectrum and what chemical is made

A: A question based on IR spectroscopy that is to be accomplished.

Q: 13C(1h) what is bracket mean in this case? is that mean carbon nmr proton nmr in same time?

A: The notation '13C(1H)' is used in the field of Nuclear Magnetic Resonance (NMR) spectroscopy, which…

Q: i) Discuss the differences between the AES and XPS in terms of principle and information obtained…

A: X-ray Photoelectron Spectroscopy (XPS) also known as Electron Spectroscopy for Chemical Analysis…

Q: Proteins A give maximum absorbance at 595 nm and its molar absorption is 27,8 M-1 cm-1. If there is…

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Q: The maximum absorption of species Z was found to be at a wavelength of 650 nm. Analysis showed that…

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Q: Show COMPLETE solutions. Round-off FINAL answer to the 4th decimal The absorption coefficient of…

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Q: 7. (a) Explain why absorption of UV-vis is typically recorded as broad absorption maxima.

A: UV-vis Spectroscopy can be defined as a quantitative technique that is used for measuring how much…

Q: 3. Identify C-Cl stretching peaks in CDCI3 and CHCI3 spectra. Do these peaks have exactly the same…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: (i) Identify TWO (2) functional groups presence in the molecule and state their frequencies. (ii)…

A: IR spectra is used to determine the presence of various functional group.  Also, it can predict the…

Q: What is the modulated wavelength of mercury vapor light at a temperature of 88°F and barometric…

A: Given: Frequency of modulation of mercury vapor light = 30 MHz = 30 x 106 Hz = 3.0 x 107 s-1…

Spectroanalytical Methods

Spectroanalytical methods measure the wavelength and intensity of radiations that are either emitted or absorbed by a molecular or atomic species. These methods are useful for evaluating the electronic or atomic arrangement of the molecules of a given analyte.