A Possible Reaction of Ethane with Chlorine Is Shown Below

question 5

Multiple Choice

A possible reaction of ethane with chlorine is shown below. $$\mathrm { CH } _ { 3 } \mathrm { CH } _ { 3 } + \mathrm { Cl } _ { 2 } \longrightarrow \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { Cl } + \mathrm { HCl }$$ This reaction could conceivably occur by the following chain mechanisms [1], [2], and [3]. The chain initiating step(s) is (are) _____. [1] $\mathrm { Cl } _ { 2 } \longrightarrow 2 \mathrm { Cl }^*$ .
[2] $\mathrm { Cl } ^* + \mathrm { CH } _ { 3 } \mathrm { CH } _ { 3 } \stackrel { \text { slow } } { \longrightarrow } \mathrm { HCl } + \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 }^*$ .
[3] $\mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } ^ { * } + \mathrm { Cl } _ { 2 } \stackrel { \text { fast } } { \longrightarrow } \mathrm { CH } _ { 3 } \mathrm { CH } _ { 2 } \mathrm { Cl } + \mathrm { Cl }^*$ .

• A) Only [1]
• B) Only [2]
• C) Only [3]
• D) Only [1] and [2]

Distinguish between natural kinds, artifacts, social kinds, and nominal kinds within categorization.

Identify the significance of script knowledge in organizing sequences of events and actions.

Acknowledge the role of semantic priming and cognitive economy in concept formation and categorization.

Appreciate the integration of psychological essentialism and grounded cognition theories in understanding concepts.

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Definitions:

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Limbic System

A complex system of nerves and networks in the brain, involved with instinct and mood control, as well as the basic emotions (fear, pleasure, anger) and drives (hunger, sex, dominance, care of offspring).

Hypothalamus

The hypothalamus is a small but crucial part of the brain responsible for regulating many bodily functions, including hunger, thirst, sleep, and emotional activity.