How Many of the Following Molecules and Ions Contain Double

question 81

Multiple Choice

How many of the following molecules and ions contain double or triple bonds?
N₂ H₂CO C₂H₄ C₂H₆ SCN^-

• A) 5
• B) 1
• C) 4
• D) 2
• E) 3

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Definitions:

Hot Spot

A volcanic region thought to be fed by underlying mantle that is anomalously hot compared with the surrounding mantle.

Transform Boundary

A type of tectonic plate boundary where plates slide past each other horizontally, causing seismic activity.

Caribbean Region

A geographical area comprising the Caribbean Sea, its islands (including the West Indies), and the surrounding coasts located southeast of the Gulf of Mexico and the North American mainland.

Caribbean Plate

A mostly oceanic tectonic plate underlying Central America and the Caribbean Sea off the north coast of South America.