Which One of the Following Combinations Cannot Function as a Buffer

question 132

Multiple Choice

Which one of the following combinations cannot function as a buffer solution

• A) HCN and KCN
• B) NH₃ and (NH₄)₂SO₄
• C) HNO₃ and NaNO₃
• D) HF and NaF
• E) HNO₂ and NaNO₂

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Definitions:

Variance

A statistical measurement of the spread between numbers in a data set, indicating how far each number in the set is from the mean.

Covariance

A measure that indicates the extent to which two variables change together, indicating the direction of their linear relationship.

Linear Relationship

A type of relationship between two variables where a change in one variable is associated with a proportional change in the other.

COV

COV refers to the coefficient of variation, a statistical measure of the relative dispersion or variability of a data set relative to its mean, expressed as a percentage.