Potassium Hydroxide and Phosphorus Pentachloride React to Form Potassium Phosphate

question 76

Multiple Choice

Potassium hydroxide and phosphorus pentachloride react to form potassium phosphate and potassium chloride. Which of the following will result in the fastest reaction between potassium hydroxide and phosphorus pentachloride?

• A) Crystals of the two reactants are placed in a mortar and are ground.
• B) Large crystals of the two reactants are placed in contact with one another.
• C) Powdered samples of the two reactants are mixed together.
• D) Solutions of the two reactants are mixed together.

Analyze the molecular structure to identify coplanar atoms and resonance forms.

Understand the concept of hybrid atomic orbitals and their overlap to form molecular orbitals.

Calculate the HCH, CCC, and CCN bond angles in different organic molecules.

Correlate molecular structure with hybridization to anticipate molecular behaviors and properties.

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Definitions:

Sample Size

The number of observations or data points collected from a population for the purpose of statistical analysis.

Confidence Interval

A span of numbers, obtained from sampled data, that probably includes the value of an unseen population measure within a specified confidence level.

Population Parameter

A characteristic or measure that describes an aspect of an entire population, such as its mean, variance, or standard deviation.

Confidence Interval

A confidence interval is a range of values, derived from sample data, that is likely to contain the value of an unknown population parameter, expressed with a certain level of confidence.