What Is the Missing Reagent in the Reaction Below

question 22

Multiple Choice

What is the missing reagent in the reaction below?

• A)NaBH₄/CH₃OH
• B)H₂, Pd-C
• C)LiAlH₄ then H₂O
• D)MeMgBr then H₂O

---

Definitions:

Subcutaneous Injections

A method of administering medication under the skin but above the muscle, commonly used for vaccines and insulin.

Upper Buttock

Refers to the upper portion of the buttock area, often considered for injections or assessing muscle development.

Killed Pathogen Vaccine

A type of vaccine made from a virus or bacteria that has been killed or inactivated, stimulating the immune system to respond without causing the disease.

Tetanus

An acute bacterial infection caused by Clostridium tetani, characterized by muscle stiffness and spasms, particularly of the jaw and other major muscles.