Alkanols, Alkanals, Alkanones, Alkanoic Acids, Alkanoates Jamb Chemistry Past Questions

Question 6

The general formula of alkanones is

jamb 2018

  • A. RCHO
  • B. R\(_2\)CO
  • C. RCOOH
  • D. RCOOR
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Question 7

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?

jamb 2019

  • A. C\(_6\)H\(_6\)
  • B. C\(_4\)H\(_{10}\)
  • C. C\(_5\)H\(_{10}\)
  • D. C\(_4\)H\(_6\)
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Question 8

What is the IUPAC name for the following compound? HC\(\equiv\)CCH\(_{3}\)

jamb 2021

  • A. Acetylene
  • B. Methyl acetylene
  • C. Butanol
  • D. Decanoic acid
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Question 9

An organic compound decolourized acidified KMnO4 solution but failed to react with ammoniacal silver nitrate solution. The organic compound is likely to be?

jamb 1985

  • A. a carbonxylic acid
  • B. an alkane
  • C. an alkene
  • D. an alkyne
  • E. an akanone
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