Question

Given the parent compound, draw the mass spectrum fragment that is observed at m/z 91. Include any hydrogen atoms and the charge.

Answer 1

300000 I believe is answer

Answer 2

We have that the  diagram of  the mass spectrum fragment that is observed at m/z 91 is attached below

Generally

The Diagram of the Tropylium ion is the mass spectrum fragment that is observed at m/z 91 and is displayed explicitly in the diagram

The diagram is attached below

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