Question 15

Consider the reaction represented by the following equation CaCI2 (aq) + H 2C2O 4(aq) ⇌ CaC 2O4(s) + 2HCI(aq). Which of the following would dissolve the precipitate of CaC 2O4 formed?

  • A.Stirring the mixture vigorously
  • B.Adding more calcium chloride solution
  • C.lncreasing the concentration of the ethanedioic acid
  • D.Adding concentrated hydrochloric acid
  • E.Adding some distilled water
Objective

Question details

Exam body
WAEC
Subject
Chemistry
Year
1993
Question no.
#15
Type
Objective

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