1000000 1600000 1200000 900000 600000 300000 6.00 6.20 6.40 117 103 133 86 109 100 147 Time (min) 6.60 6.80 7.00 233 204 169 176 191 218 247 299 150 200 250 m/z

Q: What molecule or particle produced the peaks at 303 and 304 amu?

A: Highest m/z peak is the molecular ion peak. If around molecular peaks, small peaks are shown they…

Q: An ē at its excited state is stable unti it  return  to its ground state. If an ē jumped more than…

A: An electron jumps from a lower energy level to a higher energy level by absorbing some energy. More…

Q: What is the maximum absorbance of in which caffeine absorbs?

A: ### 1. **Understanding Absorbance and UV-Vis Spectroscopy**- **Absorbance:** It's a measure of the…

Q: How are molar mass, Avogadro’snumber, and the atomic nucleus related?

A: The mole is an amount unit similar to familiar units like pair, dozen, gross, etc. It provides a…

Q: What is the relative area of each peak in a quartet spin-spin splitting pattern?

A: Non equivalent groups of protons split the signals of each other. This is called as spin-spin…

Q: reasoning

A: NMR spectroscopy is type of spectroscopy where the number and the type of hydrogen present in the…

Q: Infrared spectroscopy is most useful for

A: Infrared spectroscopy is most useful for determining the molecular structure of a substance.…

Q: What is best reason for why microwave irradiation heats a chemical reaction? Microwaves cause the…

A: Those molecules having permanent dipole moment are microwave (Rotational) active. The dipole of the…

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: Draw an organic molecule with 1-5 carbons with 3 functional groups. Write down 4 major IR stretching…

A: Given : An unknown organic molecules with 5 carbon and 3 functional groups.  To find : Major IR…

Q: For the following mass spectra determine: presence or absence of Cl and Br, molecular weight, of it…

A: If the ratio of M, M+2 peaks is 3:1, then the compound contains 'Cl'. If the ratio of M, M+2 peaks…

Q: Question 11 Which one of the following statements is correct? Spectra I and II are due to compounds…

A: Of the given two compounds, consider compound X. The right most end of X compound has 1C with 2…

Q: Compound 4: C5H13N lle 11 10 8 7 6 4 2 m(1 H) s(6 H) d(6 H) 200 180 160 140 120 100 80 60 40 20 ppm…

A:

Q: Question: How can one describe the electron correlation effects in a multi-reference wavefunction…

A: Introduction: Accurate prediction of the energy and structure of transition states in chemical…

Q: Q3: Explain the reasons why the energy of an absorbed photon is not equal to the energy of the…

A: Fluroscene is a type of photolumiesence when a Molecule is excited by uv light or visible light.

Q: what quantum mechanical principles play a role in infrared spectroscopy? What applications is…

A: The answers are given below

Q: place the following nuclei in descending order of reference frequency for the same instrument. P31,…

A: A particle with a net spin can absorb a photon, of frequency When placed in a magnetic field of…

Q: Is a nucleus that absorbs at 6.50 6 more shielded or less shielded than a nucleus that absorbs at…

A: Nucleus that absorbs at higher value is more deshielded i.e. less shielded. Thus 6.50 δ value is…

Q: Rank these colors from the best to the least absorber of radiation. (Best absorber - I; Least…

A: The color which absorbs least of radiation is white. The color which absorbs most of radiation is…

Q: The pitch of a sound is related to its

A: Pitch is considered to be a perceptual property of sounds.

Q: How do the signals for methyl fluoride look like in the proton and the carbon NMR Spectrum

A: 1H-NMR is an important spectroscopic technique for structure elucidation.  In 1H-NMR the number of…

Q: 2. Arrange the following elactromagnetic radiation in order of their increasing energy. Radio,…

A: Electromagnetic radiation is the form of energy carrying electrical and magnetic waves

Q: Which of the following is NOT true about infrared spectroscopy?   (a) when molecules absorb IR…

A: Ir spectroscopy is based on the absorption  It absorbs energy and it helps in determining the…

Q: What is the relationship between vibrational frequency and mass of the atoms in the bond?

A: The vibrational frequency of a bond is related to the mass of the atoms involved in the bond.…

Q: Do you expect the fundamental vibrational frequency to be higher for HCl or NaCl? Explain.

A: The fundamental vibrational frequency corresponds to the lowest natural vibration from the…

Q: Given the absorption spectra below, select the true statement. 14 400 nm The moving object is red…

A: Electronic transitions are those which occur in molecules due to the absorption of electromagnetic…

Q: In Mass Spectrometry, what high energy particle is responsible is used to bombard molecule so that…

A: We have to predict the energy particles .

Q: Which area of this sound wave represents an area of a wave that is the MOST compressed? (Look…

A: The images is :-         longitudinal Waves Longitudinal Waves are a type of wave propagation, in…

Q: What does the imaginary frequency observed for the transition state correspond to?

A: The vibrational spectrum of a transition state is characterized by one imaginary frequency (implying…

Q: the neaks at 105 and 198 amu? in the peak at 272 amu?

A: Given: 1) To find the breaking of bond results in peaks 105 and 198 amu. 2) To find the breaking of…

Q: Rf?

A: The amount that each component of a mixture travels can be quantified using retention factors (Rf).…

Q: Draw the entire structure for the compound. Use a line structure which means that you should not…

A: Nuclear magnetic resonance is used in proton nuclear magnetic resonance (proton NMR, hydrogen-1 NMR,…

Q: In which of the following ways, absorption is related to transmittance? O A. Absorption is the…

A: Absorption is the negative logaritgim of transmittance