Which of the Following M/z Values Correspond to the Molecular

question 80

Multiple Choice

Which of the following m/z values correspond to the molecular ion peak of the following compound?

• A)124
• B)125
• C)135
• D)136
• E)137

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Definitions:

Carboniferous

A geologic period and system that extends from the end of the Devonian Period, about 359.2 million years ago, to the beginning of the Permian Period, about 299 million years ago.

Reptiles

Cold-blooded vertebrates that breathe air, usually lay eggs, and have scales covering their bodies, including snakes, lizards, crocodiles, and turtles.

Chordates

Deuterostome animals that, at some time in their lives, have a cartilaginous, dorsal skeletal structure called a notochord; a dorsal, tubular nerve cord; pharyngeal slits; a postanal tail; and an endostyle (or its derivative, a thyroid gland).

Cyanobacteria

Photosynthetic microorganisms, formerly known as blue-green algae, that are important in oxygen production and nitrogen fixation.