Methyl Orange Is an Indicator with a K_a of 1

question 26

Multiple Choice

Methyl orange is an indicator with a K_a of 1 × 10^-4. Its acid form, HIn, is red, while its base form, In^-, is yellow. At pH 6.0, the indicator will be

• A) yellow.
• B) orange.
• C) red.
• D) blue.
• E) not enough information

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Definitions:

Collectives

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Physical Location

The specific geographic or spatial position of an object, person, or event.

Flash Mob

A large group of people who assemble suddenly in a public place, perform an unusual act for a brief time, then quickly disperse.

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Disorders that have a psychological origin or cause rather than a physiological one, often linked to emotional and mental stressors.