Which of These Statements About Hydroboration Is False

question 41

Multiple Choice

Which of these statements about hydroboration is false?

• A)Hydroboration is regiospecific.
• B)The overall reaction involves the formation of a C-H bond and a C-B bond.
• C)The overall reaction involves the formation of a C-B bond and a B-H bond.
• D)Boron attaches to the less substituted end of an alkene.
• E)The mechanism of hydroboration is believed to be concerted.

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Definitions:

Accretionary Prism

A geological structure formed by the accumulation of sediments and rock fragments at a convergent tectonic plate boundary.

Subduction Zone

A region of the Earth's crust where tectonic plates converge, and one plate moves under another, leading to volcanic activity.

Thrusting

A geological process where one part of the Earth's crust is pushed up over another at a low angle, often associated with mountain building.

Tectonic Terrane

A fragment of crustal material formed on, or broken off from one tectonic plate and accreted or sutured to crust lying on another plate.