Approximately What Percentage of Children Have an "Easy" Temperament

question 16

Multiple Choice

Approximately what percentage of children have an "easy" temperament?

• A) 10%
• B) 20%
• C) 25%
• D) 40%
• E) 15%

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Definitions:

β-Ketoester

An ester compound containing a ketone group (C=O) at the beta-position relative to the ester group.

Claisen Condensation

A chemical reaction where two esters or an ester and a carbonyl compound react in the presence of a base to form a β-keto ester or a β-diketone.

Ester Enolate

A reactive intermediate formed from the deprotonation of an ester, used in various organic synthesis reactions.

pKa

A quantitative measure of the strength of an acid in solution, representing the acid dissociation constant on a logarithmic scale.