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1306
Alkanals can be distinguished from alkanones by the reaction with
  • A. sudan lll stain
  • B. starch iodide paper
  • C. lithium tetrahydrido aluminate (lll)
  • D. fehling's solution
View Answer & Discuss (2) JAMB 2012
1307
The isomers of C3H8O ARE
  • A. 1 - propanol and 2 - propanol
  • B. 1 - propanol and 1 - propanol
  • C. 2 - propanol and 2 - propanone
  • D. 2 - propanol and 1 - propanol
View Answer & Discuss (7) JAMB 2012
1308

Carbohydrates are large molecules with the molecular formula C\(_x\)(H\(_2\)O)\(_y\). In which of the following pairs is x not equal to y?

  • A. glucose and starch
  • B. maltose and starch
  • C. sucrose and fructose
  • D. galactose and starch
View Answer & Discuss (12) JAMB 2012
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1309
A compound contains 40.0% C, 6.7% H 53.3% O. If the molecular mass of the compound is 180, its molecular formula is [C =12, H =1,O]
  • A. CH2O
  • B. C3H6O3
  • C. C6H6O3
  • D. C6H12O6
View Answer & Discuss (6) JAMB 2012
1310

The saponification of an alkanoate to produce soap and alkanol involves

  • A. dehydration
  • B. esterification
  • C. hydrolysis
  • D. oxidation
View Answer & Discuss (3) JAMB 2012
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