A Compound X Has a Molecular Ion Peak in Its

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.