Two-Year-Old Chris "Helps" His Dad Change the Oil in the Car

question 75

Multiple Choice

Two-year-old Chris "helps" his dad change the oil in the car and ends up with a black oil streak on his cheek. When they come into the house, his dad takes him into the bathroom to clean up. Based on what you know about self-awareness in 2-year-olds, what would you expect Chris to do when he looks in
The mirror?

• A) Reach up and touch the black spot on his cheek.
• B) Touch the black spot he sees on the mirror.
• C) Look at his dad to see if he, too, has oil on his face.
• D) Not show any indication that he notices the spot.

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Definitions:

Sodium Cyclopentadienide

An organosodium compound derived from cyclopentadiene, acting as a strong base and nucleophile in organic synthesis.

Relative Acidities

A comparison of the acid strengths of different substances.

pKa

A quantitative measure of the strength of an acid in solution, being the negative log of the acid dissociation constant (Ka).

Tropylium Ion

A positively charged ion (cyclic cation) with the formula C7H7+, known for its aromatic stability.