How Should the Color of the Solution Change as [Fe(CN)₆]^4-

question 129

Multiple Choice

How should the color of the solution change as [Fe(CN) ₆]^4- undergoes the following chemical change? [Fe(H₂O) ₆]²⁺(aq) + 6CN^-(aq) → [Fe(CN) ₆]^4-(aq) + 6H₂O(l)

• A) The solution should change from yellow to blue.
• B) The solution should change from blue to yellow.
• C) The solution should not change color.
• D) The solution should become colorless because H₂O is a colorless liquid.
• E) It is impossible to tell without performing a measurement.

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Definitions:

Total Variability

Refers to the overall variability observed in a data set, encompassing all sources of variation.

Sample Mean

The average of all the data points in a sample, which can be used to estimate the population mean.

Multiple Regression

An approach in statistics using several predictor variables to project the outcome of a response variable.

Null Hypothesis

A statement in statistical hypothesis testing representing the assumption of no effect or no difference, serving as the default or baseline against which alternatives are tested.