Chemistry · Oct / Nov 2023 · Paper 42 · Question 6
0620
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The question as text
A homologous series is a family of organic compounds whose members have similar chemical properties.
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6(a)[2]
M1 (same) general formula (1)
M2 (contain the same) functional group (1)
6(b)[1]
-CH2- unit
M1 alkenes (1)
6(c)(i)[3]
M2 alkanes (1)
M3 carboxylic acids (1)
6(c)(ii)[2]
M1 propanoic acid (1)
M2 displayed formula of propanoic acid (1)
6(d)(i)[2]
M1 working to give the mass of atoms shown in Fig 6.1
103 – 14 – (2 × 12) – (2 × 16) – (4 × 1)
(= 29)
M2 ‘R’ = C2H5
6(d)(ii)[1]
proteins
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