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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Definitions:

Programmed Contents

Data or instructions that have been configured into a system or device to control its operation.

Operating Power

The amount of power required by a device or system to perform its designated functions under normal conditions.

Optical Isolation

Electrical separation of two circuits with the use of an optical coupler.

Electrical Noise

Unwanted random signals mixed with a useful electrical signal that can cause disturbances and degradation in system performance.