The Reaction of Methyl Iodide with Sodium Azide, NaN₃, Proceeds

question 62

Multiple Choice

The reaction of methyl iodide with sodium azide, NaN₃, proceeds by an S_N2 mechanism. What is the effect of doubling the concentration of NaN₃ on the rate of the reaction?

• A) the rate remains the same
• B) the rate decreases by a factor of 2
• C) the rate increases by a factor of 2
• D) the rate increases by a factor of 4

---

Definitions:

Sensorimotor Stage

This is the first stage of Jean Piaget's theory of cognitive development, where infants learn about the world through their senses and actions.

Concrete Operations

A stage in Piaget's theory of cognitive development where children aged 7-11 start thinking logically about concrete events but still struggle with abstract concepts.

Formal Operations

A stage in Piaget's theory of cognitive development (beginning around age 12) where individuals develop the ability to think about abstract concepts and logically test hypotheses.

Deferred Imitation

A cognitive ability where an individual can replicate an action or behavior after a delay or pause, indicating memory and understanding.