Which of the Following Is True About the (M+1)⁺• Peak

question 5

Multiple Choice

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
• D) it is useful in calculating number of carbon atoms
• E) B and D

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