Which Has the Greater Number of Unpaired Electrons

question 74

Multiple Choice

Which has the greater number of unpaired electrons?
I. square planar Ni(CN) ₄^2-
II. tetrahedral FeCl₄^-

• A) I
• B) II
• C) Neither I nor II has any unpaired electrons.
• D) More information is needed.
• E) Both I and II have the same (nonzero) number of unpaired electrons.

---

Definitions:

Binomial Experiment

A statistical experiment that fits the binomial distribution; characterized by fixed number of trials, two possible outcomes per trial, independent trials, and constant probability of success.

Trials

In statistics and research, trials refer to individual attempts or experiments conducted to test a hypothesis or observe outcomes.

Poisson Distribution

A discrete frequency distribution that expresses the probability of a given number of events happening in a fixed interval of time or space.

Probability

The calculation of how likely an event is to occur, with its value determined to be between 0 and 1.