Which of These Aqueous Solutions Has the Lowest PH

question 6

Multiple Choice

Which of these aqueous solutions has the lowest pH

• A) 0.100 M NaOH
• B) 0.100 M Na₂O
• C) 0.100 M Na₃N
• D) All of these solutions have the same pH due to the leveling effect.
• E) These all are solutions of weak bases, so K_b values are needed in order to decide.

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Definitions:

Cyclopentanecarboxylic Acid

A cycloalkane derived carboxylic acid, with the carboxyl group attached to a five-membered ring.

Reagents

Substances or compounds used in chemical reactions to cause or analyze a chemical change.

Reaction

An action through which one or more starting materials, or reactants, are altered to yield one or more new substances, termed products.

Reagents

Components or substances employed in a system to provoke a chemical reaction or to determine if such a reaction happens.