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The typical isotopic pattern of sulfur (32S, 33S, 34S, 36S) would result in a peak intensity ratio of approximately:
- a)32:1:4:0
- b)100 : 0.76 : 4.22 : 0.20
- c)1:2:4:8
- d)50:4:3:1
Correct answer is option 'B'. Can you explain this answer?
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The typical isotopic pattern of sulfur (32S,33S,34S,36S) would result ...
- Isotopes: Atoms with the same number of protons but different numbers of neutrons. They exhibit largely the same chemical properties but can have different physical properties.
- Relative Isotopic Abundance: The naturally occurring abundances of different isotopes of an element. This is typically represented as a ratio or a percentage.
- Mass Spectrometry: This is an analytical technique used to measure the mass-to-charge ratio of ions. The results are typically presented as a mass spectrum, a plot of intensity as a function of the mass-to-charge ratio.
The isotopic pattern of an element in a mass spectrometry experiment is determined by the relative natural abundances of its various isotopes. For sulfur (S), there are four isotopes:
- ³²S with a natural abundance of 95.02%
- ³³S with a natural abundance of 0.75%
- ³⁴S with a natural abundance of 4.21%
- ³⁶S with a natural abundance of 0.02%
To get the final ratio in a form useful for your answers, you can normalize these values such that the most abundant isotope (³²S) is set to 100.
Take the natural abundance of each isotope and divide it by the natural abundance of ³²S, then multiply by 100.
So, for each isotope:
Take the natural abundance of each isotope and divide it by the natural abundance of ³²S, then multiply by 100.
So, for each isotope:
- The normalized value for ³²S: (95.02/95.02)*100 = 100
- The normalized value for ³³S: (0.75/95.02)*100 = 0.76
- The normalized value for ³⁴S: (4.21/95.02)*100 = 4.22
- The normalized value for ³⁶S: (0.02/95.02)*100 = 0.20
- Then we have the ratio of approximately 100 : 0.76 : 4.22 : 0.20 for ³²S : ³³S : ³⁴S : ³⁶S.
This results in the ratio that best represents the peak intensity in the spectrum due to each isotope. It's essential to remember that this is an approximation and the actual observed values could slightly deviate due to variations in natural abundance, instrumental efficiency, or both.
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The typical isotopic pattern of sulfur (32S,33S,34S,36S) would result ...
Isotopic Pattern of Sulfur (32S,33S,34S,36S)
Sulfur has four naturally occurring isotopes: 32S, 33S, 34S, and 36S. The typical isotopic pattern of sulfur can be represented by the peak intensity ratio of these isotopes.
Peak Intensity Ratio
- 32S: 100
- 33S: 0.76
- 34S: 4.22
- 36S: 0.20
Explanation
- The peak intensity ratio of isotopes is determined by the natural abundance of each isotope in the sample.
- The most abundant isotope of sulfur is 32S, which has a peak intensity ratio of 100.
- The next most abundant isotopes are 34S and 33S, with peak intensity ratios of 4.22 and 0.76 respectively.
- The least abundant isotope is 36S, with a peak intensity ratio of 0.20.
Therefore, the correct peak intensity ratio for the isotopic pattern of sulfur (32S, 33S, 34S, 36S) is 100:0.76:4.22:0.20, which corresponds to option B.
Sulfur has four naturally occurring isotopes: 32S, 33S, 34S, and 36S. The typical isotopic pattern of sulfur can be represented by the peak intensity ratio of these isotopes.
Peak Intensity Ratio
- 32S: 100
- 33S: 0.76
- 34S: 4.22
- 36S: 0.20
Explanation
- The peak intensity ratio of isotopes is determined by the natural abundance of each isotope in the sample.
- The most abundant isotope of sulfur is 32S, which has a peak intensity ratio of 100.
- The next most abundant isotopes are 34S and 33S, with peak intensity ratios of 4.22 and 0.76 respectively.
- The least abundant isotope is 36S, with a peak intensity ratio of 0.20.
Therefore, the correct peak intensity ratio for the isotopic pattern of sulfur (32S, 33S, 34S, 36S) is 100:0.76:4.22:0.20, which corresponds to option B.
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The typical isotopic pattern of sulfur (32S,33S,34S,36S) would result in a peak intensity ratio of approximately:a)32:1:4:0b)100 : 0.76 : 4.22 : 0.20c)1:2:4:8d)50:4:3:1Correct answer is option 'B'. Can you explain this answer?
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