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Question 11

In which of the following changes is ∆S negative ?

  • A.H2O(l) → H2O(s)
  • B.C(s) + 1/2O2,/sub>(g) → CO(g)
  • C.PCI5(g) → PCl3(g) + Cl2(g)
  • D.NaCl(s) + aq →Na+ (aq) + Cl- (aq)
  • E.NH3(g) + HCl(g)
Objective

Question details

Exam body
WAEC
Subject
Chemistry
Year
1993
Question no.
#11
Type
Objective
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