Gce Model Questions Vol1 2018 Chemistry Question 12

Practice objective / multiple choice question 12 from the 2018 Gce Model Questions Vol1 Chemistry examination.

Gce Model Questions Vol1 2018 Chemistry Objective / Multiple Choice Medium Difficulty
Question 12 GCE_MODEL_QUESTIONS_VOL1 • 2018 • CHEMISTRY • objective

The vapour pressure of liquid X at 350 K is 0.45 atm. Its enthalpy of vapourisation is 30 kJ·mol⁻¹. Estimate the vapour pressure at 380 K using the Clausius-Clapeyron equation (assume \(\Delta H_{vap}\) is constant). Give your answer in atm to two significant figures.

Answer Options

A. 0.85
Correct Answer B. 1.0
C. 0.65
D. 1.2
Correct Answer
B
Correct Option:
1.0

About This Question

This is Gce Model Questions Vol1 2018 Chemistry Question 12. It is one of the objective questions from the 2018 Gce Model Questions Vol1 Chemistry examination.

Difficulty level: Medium .

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