What Is the Missing Reagent in the Reaction Below

question 7

Multiple Choice

What is the missing reagent in the reaction below?

• A)Acetic acid
• B)NaOMe
• C)SOCl₂
• D)Pyridine

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Definitions:

Calcium Carbonate

A chemical compound with the formula CaCO3, found in rocks such as limestone, and is the main component of shells of marine organisms, snails, and eggs.

Precipitation

Any form of water - liquid or solid - falling from the atmosphere to the Earth's surface, including rain, snow, sleet, and hail.

Evaporation

The process by which water changes from a liquid to a vapor or gas, often driven by heat from the sun.

Caves Collapse

The sudden failure and falling in of a cave's ceiling or walls, often due to natural processes such as erosion or the removal of supporting material.