Chemistry · May / June 2020 · Paper 21 · Question 4
5070
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The question as text
The table shows some properties of five esters. name structure relative molecular mass melting point / °C boiling point / °C methyl ethanoate CH3COOCH3 74 –98 57 ethyl ethanoate CH3COOCH2CH3 88 –84 77 propyl ethanoate CH3COOCH2CH2CH3 102 –95 102 butyl ethanoate CH3COOCH2CH2CH2CH3 116 –78 126 pentyl ethanoate CH3COOCH2CH2CH2CH2CH3 130 –71 148
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4(a)[2]
4(b)[1]
4(c)[1]
4(d)[1]
4(e)(i)[2]
4(e)(ii)[3]
4(e)(iii)[2]
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