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Chemistry JAMB Past Questions

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1961

In the upper atmosphere, the ultra-violet light breaks off a free chlorine atom from chlorofluorocarbon molecule. The effect of this is that the free chlorine atom will

  • A. be very reactive and will attack ozone
  • B. be non-reactive and will not attack ozone
  • C. not change the level of ozone in the atmosphere
  • D. increase the level of ozone in the atmosphere
View Answer & Discuss JAMB 2018
1962

A secondary alkanol can be oxidized to give an?

  • A. alkanone
  • B. alkyne
  • C. alkanoic acid
  • D. alkanal
View Answer & Discuss (12) JAMB 2019
1963

Which of the following will give a precipitate with an aqueous solution of copper (I) chloride?

  • A. But-2-ene
  • B. But-1-ene
  • C. But-2-yne
  • D. But-1-yne
View Answer & Discuss (6) JAMB 2019
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1964

The IUPAC name for CH\(_3\)CH\(_2\)COOCH\(_2\)CH\(_3\) is

  • A. methylpropanoate
  • B. ethylethanoate
  • C. ethylpropanoate
  • D. methylethanoate
View Answer & Discuss (8) JAMB 2019
1965

A certain hydrocarbon on complete combustion at s.t.p produced 89.6dm\(^3\) of CO\(_2\) and 54g of water. The hydrocarbon should be?

  • A. C\(_6\)H\(_6\)
  • B. C\(_4\)H\(_{10}\)
  • C. C\(_5\)H\(_{10}\)
  • D. C\(_4\)H\(_6\)
View Answer & Discuss (26) JAMB 2019
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Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
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