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:

Oil Shale

A sedimentary rock containing organic materials that can be processed to produce shale oil.

Electricity

A form of energy resulting from the existence of charged particles which can be statically held or dynamically flowing through conductors.

Coal

A combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams, used as a fossil fuel for producing electricity and heat.