Identify the Pericyclic Reaction in Which Two Sigma Bonds Are

question 88

Multiple Choice

Identify the pericyclic reaction in which two sigma bonds are formed and two pi bonds are broken.

• A) sigmatropic rearrangement
• B) cycloaddition reaction
• C) electrolytic reaction
• D) this is not a pericyclic reaction

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Definitions:

Ice Sheet

A mass of ice of considerable thickness and more than 50,000 square kilometers in area, forming a nearly continuous cover of ice and snow over a land surface.

Felsic

A term used in geology to describe igneous rocks that are rich in light-colored minerals such as quartz, feldspar, and muscovite.

Pyroclastic Flows

High-density mixtures of hot volcanic ash, pumice, rock fragments, and volcanic gas that move away from the volcano at high speeds during an explosive eruption.

Mudflows

Rapid downhill movements of water-saturated earth material, primarily composed of mud and often triggered by heavy rainfall or volcanic activity.