Phenol Red Indicator Changes from Yellow to Red in the PH

question 70

Multiple Choice

Phenol red indicator changes from yellow to red in the pH range from 6.6 to 8.0. State what color the indicator will assume in the following solution: 0.10 M HC₂H₃O₂

• A) red
• B) yellow
• C) red-yellow mixture
• D) The indicator is its original color.
• E) There is not enough information to answer this question.

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Definitions:

Game Theory

A branch of mathematics and economics that analyzes strategies in competitive situations where the outcome depends on the actions of all participants.

International Cartel

A consortium of independent organizations formed to limit competition and control prices in international markets.

OPEC

The Organization of Petroleum Exporting Countries, a consortium of countries that coordinates and unifies the petroleum policies of its member countries to secure fair and stable prices for petroleum producers.

OPEC

The Organization of the Petroleum Exporting Countries is an intergovernmental organization of 13 oil-producing countries that coordinates and unifies petroleum policies among member countries.