Which of the Following Aqueous Solutions Has the Highest [OH^-

question 85

Multiple Choice

Which of the following aqueous solutions has the highest [OH^- ]?

• A) a 1 × 10^{- 4} M solution of HNO₃
• B) pure water
• C) a solution with a pH of 3.0
• D) a 1 × 10^{- 3} M solution of NH₄Cl
• E) a solution with a pOH of 12.0

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Definitions:

Terminals

The end points of an electrical device or a cable where connections are made to enable the flow of electrical current.

Diode

A semiconductor device that allows current to flow in one direction only, used in electronics for rectification and signaling.

Relay

Any of a number of devices that receives a signal and then effects an action. In vehicle electrical circuits, relays are used to allow a small current circuit to control a large current circuit such as in a starter relay. Also known as a pilot.

Transistor

A semiconductor device used to amplify or switch electronic signals and electrical power, fundamental in modern electronic circuits.