In the Gas Phase, Methyl Isocyanate (CH₃NC) Isomerizes to Acetonitrile $\equiv$

question 23

Multiple Choice

In the gas phase, methyl isocyanate (CH₃NC) isomerizes to acetonitrile (CH₃CN) , H₃C-N $\equiv$ C (g) $\leftrightharpoons$ H₃C-C $\equiv$ N (g)
With $\Delta$ H ^$\circ$ = -89.5 kJ/mol and $\Delta$ G ^$\circ$ = - 73.8 kJ/mol at 25 ^$\circ$ C. Find the equilibrium constant for this reaction at 100 ^$\circ$ C.

• A) 1.68 * 10^-10
• B) 5.96 * 10⁹
• C) 2.16 * 10¹⁰
• D) 4.63 * 10^-11
• E) 8.64 * 10¹²

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Definitions:

Hybridization

A concept in molecular chemistry describing the mixing of atomic orbitals to form new orbitals for bonding.

Carboxylic Acid

Organic acids featuring a carboxyl group (-COOH), which consists of a carbon atom double-bonded to an oxygen atom and single-bonded to a hydroxyl group.

OCO Bond Angle

The angle formed between the oxygen-carbon-oxygen atoms in a molecule, usually referring to the angles in carboxylic acids or esters.

Major Organic Product

The primary substance formed in the largest amount during a chemical reaction involving organic compounds.