Spectroscopy 1. How to identify the presence of chlorine, bromine, sulfur and nitrogen in an organic...
Spectroscopy
1. How to identify the presence of chlorine, bromine, sulfur and nitrogen in an organic compound from its mass spectrum?
2. How are the electronic absorptions carried out according to their different types of transition?
Homework Answers
we can identify chlorine and bromine based on their isotopes since abundance of 37Cl and 35Cl is 1:3
and about 81 Br and 79 Br is 1:1 so we will be having different intensities for the corresponding peaks
and about N
ions having even no. of nitrogen refres to odd electron ions with even mass number or even electron ions with odd mass number
ions with odd no. of nitrogen refers to odd electron ions with odd mass number or even electron ions with even mass number
answer 2.
types of transition
- Transitions involving p, s, and n electrons.
- Transitionsinvolving charge-transfer electrons.
- Transitions involving d and f electrons
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Spanish English Spectroscopy 1. What is the relationship between the infrared spectrum and the molecular structure...
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1. What is the relationship between the infrared spectrum and
the molecular structure in the structural determination of organic
compounds by means of the correlation tables?
2. How does the interaction between the UV-Vis radiation energy
and the material occur?
3. How are electronic removals carried out according to their
different types of transition?
4. Indicate the absorption maxima of the most common
chromophores and the factors that determine their displacements:
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present and the identity of characteristics peaks?
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explanations of it various splitting patterns?
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characteristics peaks
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Spanish
English
Spectroscopy
1. What is the relationship between the infrared spectrum and
the molecular structure in the structural determination of organic
compounds by means of the correlation tables?
2. How does the interaction between the UV-Vis radiation energy
and the material occur?
3. How are electronic removals carried out according to their
different types of transition?
4. Indicate the absorption maxima of the most common
chromophores and the factors that determine their displacements:
the conjugation and the solvent.
5....
Question1) identify the name of the compound represented on
the spectrum graph?
Question2) For CNMR, indicate how many types of carbon atoms
present and the identity of characteristics peaks?
Question3) For HNMR, indicate ho many types of carbon atoms
present, the different identity of characteristics peaks, and
explanations of it various splitting patterns?
Question4) Also for IR, indicate the identity of it
characteristics peaks
Question5) Finally for MS, Identify the parent peak, the
molecular weight and it implication, the most...
Mass spectroscopy: parent ion. appearance of m and m+2 peaks of similar sizes for ions that contain Br. The mass spectra below are those of p-bromotoluene, 1-bromo-2-phenylethane. and 1-chloro-2-phenylethane. Identify each spectrum with the appropriate compound, and explain how you decided their identities. Note particularly the characteristics of the peaks for ions containing bromine (isotope peaks).
Question1) identify the name of the compound represented on
the spectrum graph?
Question2) For CNMR, indicate how many types of carbon atoms
present and the identity of characteristics peaks?
Question3) For HNMR, indicate ho many types of carbon atoms
present, the different identity of characteristics peaks, and
explanations of it various splitting patterns?
Question4) Also for IR, indicate the identity of it
characteristics peaks
Question5) Finally for MS, Identify the parent peak, the
molecular weight and it implication, the most...
Organic Lab Techni F 1) How many different sets of equivalent protons are there in the following compound? CI CH3CCH2C(CH3)3 CH3 A. three B. four C. five D. six 2) Which of the following gives the furthest downfield shift from TMS in its proton NMR spectrum? A. CCI4 B. CHCI3 C. CH2Cl2 D. CH3CI 3) Which of the following has only a single peak in its proton NMR spectrum? H C C H3C CH3 A. only I B. only II...
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