Which of the Following Statements Is (Are) True About a Compound

question 26

Multiple Choice

Which of the following statements is (are) true about a compound that has a molecular ion peak in its mass spectrum at mass 94, and shows prominent peaks in its IR spectrum at 3600-3200 and 1600 cm^-1?

• A) The compound has a molecular mass of 94.
• B) The compound contains a C=O group and C_sp3-H hybridized bonds.
• C) The compound contains an OH group and a benzene ring.
• D) Both A (The compound has a molecular mass of 94) and B (The compound contains a C=O group and C_sp3-H hybridized bonds) are true statements.
• E) Both A (The compound has a molecular mass of 94) and C (The compound contains an OH group and a benzene ring) are true statements.

---

Definitions:

Control Group

In experimental research, a group of subjects that is not exposed to the treatment being tested, serving as a benchmark to measure the effects of that treatment.

Dependent Variable

The variable in an experiment that is measured or tested by the researcher to see if it is affected by changes in another variable (the independent variable).

Stress

A physical or psychological response to internal or external pressures or threats, often characterized by feelings of tension, worried thoughts, and physical changes like increased blood pressure.

Colds

Common viral infections of the nose and throat that are usually harmless but can cause symptoms such as sneezing, sore throat, and coughing.