Consider the [CoCl₆]^4- Ion

question 86

Multiple Choice

Consider the [CoCl₆]^4- ion. Determine which responses are true statements.
I. The oxidation number of Co is -4.
II. The coordination number of cobalt is 6.
III. It is paramagnetic.
IV. It is a low-spin complex.

• A) I, II, III, IV
• B) I, IV
• C) II, III
• D) I, III
• E) III, IV

---

Definitions:

Student T Distribution

A probability distribution that estimates the mean of a population by using a small sample size when the population variance is unknown.

Robust

Describes a system, model, or test that remains effective under a wide variety of conditions or assumptions.

Nonnormal

Refers to data distributions that do not follow a normal distribution, often characterized by skewness or a lack of symmetry.

Randomly Selected

A process of selection in which each member of a set has an equal probability of being chosen.