For the Following Reaction at Equilibrium in a Reaction Vessel

question 5

Multiple Choice

For the following reaction at equilibrium in a reaction vessel, which one of these changes would cause the I₂ concentration to increase? 2NOI(g) 2NO(g) + I₂(g) , ΔHº_rxn = 45.3 kJ/mol

• A) Add more NOI
• B) Add more NO
• C) Increase the pressure
• D) Compress the gas mixture into a smaller volume
• E) Decrease the temperature

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Definitions:

Carbene

A reactive molecule containing a carbon atom with two unshared electrons and bonded to two other atoms.

Diazomethane

A highly reactive, carcinogenic organic compound employed in methylating agents and as a precursor to carbenes; characterized by the formula CH2N2.

Carbene

A highly reactive molecule containing a carbon atom with two nonbonded electrons and bonded to two atoms typically forming a divalent species.

Relative Reactivity

A comparison of the reactivity rates of different substances under the same conditions, indicating how easily one substance reacts relative to another.