Teacha
  • Courses
  • Mock Exams
  • For Tutors
  • For Schools
  • Pricing
Log InStart Free
  1. Past Questions
  2. /
  3. WAEC
  4. /
  5. Chemistry
  6. /
  7. 2018
  8. /
  9. Q36
Question 36

The change in the oxidation state of iron in the reaction represented by the equation:  \(2FeCl_{3} + H_{2}S \to 2FeCl_{2} + 2HCl + S\)  is

  • A.+2 to +3
  • B.0 to +2
  • C.+3 to +2
  • D.+3 to 0
Objective

Question details

Exam body
WAEC
Subject
Chemistry
Year
2018
Question no.
#36
Type
Objective
Previous · Q35The empirical formula of a compound containing 0.067mol Cu and 0.066mol O is [Cu… Next · Q37 Which of the following methods can be used to seperate blood cells from plasma?

More from this paper

  • Q32How many atoms are contained in 0.2moles of nitrogen? \([N_{A} = 6.02 \times…
  • Q33The strength of metallic bonds depends on the
  • Q34When zinc is added to AgNO\(_{3}\) solution, crystals of silver forms on the…
  • Q38Which of the following statements is true about ionic radius? Ionic radius
  • Q39Analysis of a hydrocarbon shows that it contains 0.93g of Carbon per gram of the…
  • Q40The law of definite proportions states that
See all Chemistry 2018 questions
Teacha

Africa's learning & exam readiness platform. Built for students, tutors, and schools.

Platform

  • Courses
  • Mock Exams
  • Past Questions

For You

  • I'm a Tutor
  • I'm a School
  • Pricing

© 2025 Teacha. Built for African learners, tutors, and schools. Teacha is not affiliated with WAEC, NECO, or JAMB. All past questions are sourced from publicly available materials.

Privacy PolicyTerms of UseCookie Policy