Gce Model Questions Vol1 2017 Chemistry Question 13
Practice objective / multiple choice question 13 from the 2017 Gce Model Questions Vol1 Chemistry examination.
Chlorine gas reacts with fluorine gas to give chlorine monofluoride according to \(\text{Cl}_2 + \text{F}_2 \rightarrow 2 \text{ClF}\). The bond dissociation energies are: \(D(\text{Cl-Cl}) = 242\ \text{kJ mol}^{-1}\), \(D(\text{F-F}) = 158\ \text{kJ mol}^{-1}\), \(D(\text{Cl-F}) = 255\ \text{kJ mol}^{-1}\). If 50.0 g of \(\text{Cl}_2\) is allowed to react with excess \(\text{F}_2\), (a) calculate the mass of \(\text{ClF}\) formed, and (b) determine the overall enthalpy change for the process.
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This is Gce Model Questions Vol1 2017 Chemistry Question 13. It is one of the objective questions from the 2017 Gce Model Questions Vol1 Chemistry examination.
Difficulty level: Hard .
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