Which of the Following Statements Is Correct?
A) $\sigma$ Bonds Result from the Head-To-Head Overlap of Atomic Orbitals)

question 30

Multiple Choice

Which of the following statements is correct?

• A) (\(\sigma\) bonds result from the head-to-head overlap of atomic orbitals).
• B) A triple bond is composed of two \(\sigma\)bonds and one \(\pi\) bond.
• C) Free rotation may occur about a double bond.
• D) ( \(\pi\) bonds have electron density on the internuclear axis).
• E) More than one of these statements are correct.

---

Definitions:

Mitosis

Mitosis is a type of cell division that results in two daughter cells each having the same number and kind of chromosomes as the parent nucleus, typical of ordinary tissue growth.

Cleavage

A cellular division process in early animal embryo development, where the zygote undergoes multiple cell divisions without growth, leading to a multicellular stage.

Karyotype

The number and appearance of chromosomes in the nucleus of an eukaryotic cell. The term is also used for the complete set of chromosomes in a species or an individual organism.

G₂ Phase

A phase in the cell cycle where a cell has completed DNA synthesis and enters a period of growth and preparation for mitosis.