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CAIE A-Level Chemistry 36.1.1 Reactions of Multifunctional Molecules

Practise identifying several functional groups and predicting selective reactions and properties from their structures.

Syllabus
2028–2030
Course
Chemistry 9701
Level
A2

Exam points

  • identify functional groups by combining structural evidence with the specified positive or negative chemical tests
  • predict which groups react with a reagent and preserve every group not affected under those conditions
  • use molecular-formula changes, products and observations together to resolve competing structures

36.1.1—For an organic molecule containing several question 1

[Maximum number: 2]

Asparagine and aspartic acid are two naturally occurring amino acids. Their structures and isoelectric points are shown in Table 8.1.

Table 8.1

Table 8.1

Asparagine and aspartic acid are treated separately with an excess of LiAlH4\mathrm{LiAlH}_{4}.

Draw the structures of the organic products of these reactions.
product of asparagine treated with an excess of LiAlH4\mathrm{LiAlH}_{4}
product of aspartic acid treated with an excess of LiAlH4\mathrm{LiAlH}_{4}

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