Identify the Oxidation State of Cr in Cr F₃(s)

question 35

Multiple Choice

Identify the oxidation state of Cr in Cr F₃(s) . 2 Cr(s) + 6 H F(g) → 2 Cr F₃(s) +3 H₂(g)

• A) +1
• B) +2
• C) +3
• D) 0
• E) -1

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Definitions:

T Distribution

A type of probability distribution that is symmetric and bell-shaped, commonly used for estimating population parameters when the sample size is small and the population variance is unknown.

Standard Deviations

A statistic that quantifies the dispersion or variability of a distribution, measuring how spread out the numbers are from the mean.

Degrees of Freedom

The volume of independent values or figures that may be assigned within a statistical distribution.

Standard Error

A statistical measure that quantifies the amount of variability in the sampling distribution of a statistic, often used to estimate the accuracy of sample means.