An Acid

question 86

Multiple Choice

An acid

• A)produces hydroxide ions when dissolved in water.
• B)changes the color of phenolphthalein indicator from colorless to pink.
• C)donates electrons in an electron transfer reaction.
• D)donates protons in a proton transfer reaction.
• E)None of these choices are correct.

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Definitions:

\(- 4\)

A negative integer, four units less than zero.

\(3 ^ { n }\)

An exponential expression where 3 is the base and \(n\) is the exponent, indicating three raised to the power of \(n\).

\(n + 4\)

An algebraic expression indicating the sum of the variable 'n' and the number four.

\(- \frac { 3 } { n + 4 }\)

A fraction representing negative three divided by the sum of n and four, where n is any real number.