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Organic chemistry

Organic chemistry

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Question 33

Which of the following lists represents the first four members of the homologous series of aliphatic aldehydes?

A

CH3CHO,C2H5CHO,C3H7CHO,C4H9CHO\text{CH}_3\text{CHO}, \text{C}_2\text{H}_5\text{CHO}, \text{C}_3\text{H}_7\text{CHO}, \text{C}_4\text{H}_9\text{CHO}CH3​CHO,C2​H5​CHO,C3​H7​CHO,C4​H9​CHO

B

HCHO,CH3CHO,C2H5CHO,C3H7CHO\text{HCHO}, \text{CH}_3\text{CHO}, \text{C}_2\text{H}_5\text{CHO}, \text{C}_3\text{H}_7\text{CHO}HCHO,CH3​CHO,C2​H5​CHO,C3​H7​CHO

C

CH3COCH3,C2H5COCH3,C3H7COCH3,C4H9COCH3\text{CH}_3\text{COCH}_3, \text{C}_2\text{H}_5\text{COCH}_3, \text{C}_3\text{H}_7\text{COCH}_3, \text{C}_4\text{H}_9\text{COCH}_3CH3​COCH3​,C2​H5​COCH3​,C3​H7​COCH3​,C4​H9​COCH3​

D

HCOOH,CH3COOH,C2H5COOH,C3H7COOH\text{HCOOH}, \text{CH}_3\text{COOH}, \text{C}_2\text{H}_5\text{COOH}, \text{C}_3\text{H}_7\text{COOH}HCOOH,CH3​COOH,C2​H5​COOH,C3​H7​COOH

Markscheme

Organic chemistry Questions

  1. GCSE
  2. /Chemistry
  3. /Organic chemistry

83 exam-style questions on OCR GCSE Chemistry Organic chemistry. Each one has a worked solution and a mark scheme showing where the marks go.

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