The separation of ions in the mass spectrometer is done by their_-_- 7. A) elect

Question

The separation of ions in the mass spectrometer is done by their_-_- 7. A) electrons to protons ratio B) mass to neutrons ratio protons to neutrons ratio D) mass to charge ratio E) none of these 8. Which of the m/z v alues correspond to the molecular ion peak in the following mass spectrum? A) 45 B) 44 C) 29 D) 15 E) none of these 80 20 10 20 30 40 50 m/z Which of the following compounds will have odd m/z value for the molecular ion? Br IV Br A) I B)) I D) IV E) none of these 10. Which of the following is true about the (M+1)" peak on the mass spectrum of a hydrocarbon? A) it is always the most abundant peak B) it is due to the 13c isotope of carbon C) it has a m/z value lower than the molecular ion it is useful in calculating number of carbon atoms E) B & D 11. Which of the following will produce M" and (M+2)" peaks of equal intensity? A) nitrogen B) chlorine C) bromine Doxygen E) B & C 12. Which molecular formula is consistent with the following mass spectrum data? A) C2HsBr C) CSH12 E) none of these M" at m/z: 108, relative height-61.5% (M+1)" at rn/z= 109, relative height-1.5% (M+2)" at m/z= 110, relative height-61.3% 21P s 3

Explanation / Answer

7)

Option D-

Mass to charge ratio

According to Mass to charge ratio ions will be separated.

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