Organic Chemistry

7. compounds with the same structural formula but with a different arrangement in space (13)
9. meaning of the German word entgegen (8)
11. -CHO (8)
13. a compound containing carbon and hydrogen joined together in straight chains, branched chains or non-aromatic rings (9)
16. compounds with the same molecular formula but different structural formulae (10,7)
17. German word meaning 'together' (8)
18. the presence of multiple carbon–carbon bonds (double or triple and including aromatic rings) (11)
20. formula CnH2n+1 (5,5)
21. -OH (7)

1. type of formula providing minimum detail for the arrangement of atoms (10)
2. a series of organic compounds having the same functional group but with each successive member differing by CH2 (10,6)
3. type of formula that uses lines to represent alkyl chains (8)
4. special type of E isomer
5. C-CO-C (6)
6. -COOH (10,4)
8. type of formula showing all the bonds (9)
10. an aliphatic compound arranged in non-aromatic rings with or without side chains (9)
12. Only single carbon-carbon bonds (9)
14. special type of Z isomer
15. a group of atoms responsible for the characteristic reactions of a compound (10,5)
19. a compound containing a benzene ring (8)