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Chemistry WAEC Past Questions

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751
When ethanol is heated with excess concentrated tetraoxosulphate (VI) acid, the organic product formed is
  • A. ethanal
  • B. ethanoic acid
  • C. ethane
  • D. ethene
View Answer & Discuss (5) WAEC 2008
752
The hydrolysis of groundnut oil by potassium hydroxide is known as
  • A. hydrogenation
  • B. saponification
  • C. esteriffication
  • D. neutralization
View Answer & Discuss (4) WAEC 2008
753
What is the main type of reaction alkenes undergo?
  • A. Addition
  • B. Condensation
  • C. Elimination
  • D. Substitutio
View Answer & Discuss WAEC 2008
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754

Arrange the following compounds in order of increasing boiling point
l.CH\(_3\)CH\(_2\)CH\(_2\)OH
II.CH\(_3\)CH\(_2\)OH
III.CH\(_3\)CH\(_2\)CH\(_2\)CH\(_2\)OH
IV.CH\(_3\)CH\(_2\)CH\(_2\)CH\(_2\)CH\(_3\)

  • A. I < II < IV < III
  • B. IV < III < II < I
  • C. I < II < III < IV
  • D. IV < II < I< III
View Answer & Discuss (16) WAEC 2008
755

A hydrocarbon containing 88.9% carbon has the empirical formula [H = 1 C = 12]

  • A. CH
  • B. CH2
  • C. C2H3
  • D. C2H5
View Answer & Discuss (33) WAEC 2008
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