Which of the Following Statement(s)is (Are)true About a Compound That

question 9

Multiple Choice

Which of the following statement(s) is (are) true about a compound that has a molecular ion peak in its mass spectrum at mass 69 and shows a prominent peak in its IR spectrum at 2250 cm^-1?

• A)The compound has a molecular mass of 70.
• B)The compound contains a C=O group.
• C)The compound contains a cyano or alkyne group.
• D)Both (The compound has a molecular mass of 70)and (The compound contains a C=O group)are true statements.
• E)Both (The compound has a molecular mass of 70)and (The compound contains a cyano or alkyne group)are true statements.

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Definitions:

Benzene

A simple aromatic hydrocarbon with the formula C6H6, known for its ring structure of six carbon atoms connected by alternating double and single bonds.

Electrophilic Aromatic Substitution

A reaction type in which an electrophile replaces a hydrogen atom on an aromatic ring, often leading to functionalization of the ring.

Pyridine

A basic heterocyclic organic compound with the formula C5H5N, featuring a six-membered ring with one nitrogen atom.

Quaternary Ammonium

Ionic compounds containing a central nitrogen atom bonded to four organic groups and one additional anion, known for their disinfectant properties.