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Question 68

Which of the following changes is ΔS negative

  • A. H2O(l) ⟶ H2O(g)
  • B. C(s) + ½O2(g) ⟶ CO2
  • C. PCl5(s) ⟶ PCl3(g) + Cl5(g)
  • D. NaCl(s) + aq ⟶ Na+(s) ⟶ Cl-(aq)
Objective

Question details

Exam body
BUK
Subject
Chemistry
Year
2010/2011
Question no.
#68
Type
Objective
Previous · Q67Sulphur burns in air to produce Next · Q69 Chlorine is used in water treatment as

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