What Is the Missing Reagent in the Following Reaction Sequence

question 67

Multiple Choice

What is the missing reagent in the following reaction sequence?

• A) CO, HCl
• B) H₃O⁺
• C) NaNO₂ , then H₃PO₂
• D) H₃PO₂
• E) Na, NH₃

---

Definitions:

Assembly-line System

A manufacturing process in which parts are added to a product in a sequential manner using a flow production method to create finished products efficiently.

Retentive

Having the ability to retain or hold onto information, knowledge, or materials over a period of time.

Meditative

Pertaining to or involving meditation, a practice of focused attention to achieve a mentally clear and emotionally calm state.

Structural Configuration

The arrangement of roles, responsibilities, and relationships within an organization, determining how it is organized and how it functions.