In the Third Step in Olefin Metathesis the ____

question 75

Multiple Choice

In the third step in olefin metathesis the ____.

• A)metal alkylidene ([M]=)undergoes a [2+2] pericyclic addition with an alkene alkene to form a metalcyclobutane intermediate
• B)metalcyclobutane undergoes a reverse [2+2] addition (i.e.,retro [2+2] reaction)to generate a new metal alkylidene
• C)reaction of the new metal alkylidene with a new alkene (by [2+2] addition)to generate a new metalcyclobutane intermediate
• D)formation of the alkene product from a retro [2+2] reaction of the second metal alkylidene
• E)alkene reacts with a second alkene by [2+2] addition

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Definitions:

Motivation And Drive

The internal forces that compel individuals to act towards achieving goals, including desires, ambitions, and needs.

Purposefulness

The quality of having a clear intention or goal; being driven by a sense of determination towards achieving something specific.

Initiative Versus Guilt

is a stage in Erik Erikson’s theory of psychosocial development focusing on children's balance between the desire to undertake actions or their fear of being wrong.

Primary Purpose

The main or most important goal intended to be achieved by something.