Nitrosyl Chloride (NOCl) Decomposes at Elevated Temperatures According to the Equation

question 69

Multiple Choice

Nitrosyl chloride (NOCl) decomposes at elevated temperatures according to the equation 2NOCl(g) $\leftrightharpoons$ 2NO(g) + Cl₂(g) . Calculate K_p for this reaction at 227 ^$\circ$ C. ( $\Delta$ H ^$\circ$ = 81.2 kJ/mol, $\Delta$ S ^$\circ$ = 128 J/K·mol)

• A) 1.59 * 10^-2
• B) 2.10 * 10^-7
• C) 62.8
• D) 4.90 * 10⁶
• E) 3.20 * 10⁹

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