Rank the Following Dienophile in Order of Increasing Reactivity in a Diels-Alder

question 53

Multiple Choice

Rank the following dienophile in order of increasing reactivity in a Diels-Alder reaction,listing the least reactive first.

• A)I < II < III
• B)III < I < II
• C)II < I < III
• D)III < II < I

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Definitions:

Puberty Rites

Traditional ceremonies that mark the transition from childhood to adulthood.

Sexual Maturity

The stage in an organism's life cycle when it becomes capable of reproductive activity.

Secular Trend

Trend that can be seen only by observing several generations, such as the trend toward earlier attainment of adult height and sexual maturity, which began a century ago in some countries.

Primary Sex Characteristics

Organs directly related to reproduction, which enlarge and mature during adolescence.