A Compound X Has a Molecular Ion Peak in Its

question 16

Multiple Choice

A compound X has a molecular ion peak in its mass spectrum at m/z 136.What information does this tell us about X?

• A)X has a molecular mass of 136.
• B)The molecular formula for X is C₈H₈O₂.
• C)The empirical formula for X is C₄H₄O.
• D)Both A (X has a molecular mass of 136)and B (The molecular formula for X is C₈H₈O₂)are true.
• E)Statements (X has a molecular mass of 136),(The molecular formula for X is C₈H₈O₂),and (The empirical formula for X is C₄H₄O)are all true.

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