Modify the given structure of pinolenic acid to draw the ionic structure corresponding to the following peak. B) m/z = 211 HO Edit Drawing CH3

In a mass spectrum, what m/z value would correspond to the fragment shown below?

Consider the mass spectrum below. 100 80- 60- 20 0.0- 0.0 60 100 miz SDBS, National Institute of Advanced Industrial Science and Technology Which peak is the molecular ion? Choose one OA OB OD. OG

Given the following mass spectrum, point out the molecular ion and the base peak.

In the mass spectrum of the following compounds, which is the tallest—the peak at m/z = 57 or the peak at m/z = 71? a. 3-methylpentane b. 2-methylpentane

3. ( What structures correspond to theses peaks? Show your reason. OMO m/z 97 m/z 85 m/z 73

What is the structure of the compound whose mass spectrum is depicted below? Relative Intensity A) 100 80 60 40 20 10 tuttin 20 COOH 40 B) 60 80 4444 C) 100 120 Br D) 140 160 CI 180 200

The mass spectrum for acetophenone is shown below. a) Where does the molecular ion show up? ?) b) Which peak is the base peak? ? 1) The mass spectrum for acetophenone is shown below. Relative Intensity 100- 80- 20- acetophenone 0-tyttim 20 10 30 40 50 60 77 trommlilily 70 m/z 80 90 100 105 Ć 110 120 120 a) Where does the molecular ion show up? (m/z = ?) b) Which peak is the base peak? (m/z = ?) c) Draw the structure of the charged species responsible for the peak at m/z = 120. d) Draw the structure of the charged species responsible for the peak at m/z = 105. e) Draw the structure of the charged species responsible for the peak at m/z = 77.

Question is attached

A mass spec of a compound gave M+ peak at 118 of 57.7% of the base peak. It also had a peak at 120 of 2.6% of the base peak. This compound includes? A) S B) Br C) Cl D) P E) N