Question 5 1 pts Consider the following two molecules and choose the statement t

Question

Question 5 1 pts Consider the following two molecules and choose the statement that is not true regarding the comparison of their expected mass spectra OH OH Both mass spectra may show a signal at m/z 70. The mass spectrum for compound A will contain a more intense signal for m/z 45 than is observed in the mass spectrum for compound B. O O The mass spectrum for compound B will contain a more intense signal for m/z 73 than is observed in the mass spectrum for compound A. The mass spectrum for compound B will contain a more intense signal for m/z 59 than is observed in the mass spectrum for compound A. O

Explanation / Answer

statement 1 is true since both molecules losing H2O will give peak of m/z 70

statement 2 is true since moleucle A on fragmentation will give CH3CHOH ion which has m/z 45

statement 4 is ture since B wil give CH3CH2CHOH which has m/z 59

statment 3 is wrong ( we dont get m/z 73 as major peak for B than A)

Hence answer is option 3

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