Page 27 - UKBM KIMIA X Genap 2021
P. 27
KIM.3.9/4.9/2/1.1
Sebelum mempelajari tatanama senyawa organik sederhana, coba kalian perhatikan
struktur senyawa hidrokarbon berikut! Tuliskan golongan senyawa hidrokarbon berikut,
apakah tergolong alkana, alkena atau alkuna!
A C
B
……………………………..... ……………………………………… ………………………….
D E E F
…………………………………… ……………………………
............................................
Berikut ini beberapa contoh penamaan senyawa hidrokarbon
Jumlah Alkana Alkena Alkuna
atom C (ikatan tunggal) (ikatan rangkap dua) (ikatan rangkap tiga)
Rumus Nama Rumus nama Rumus Nama
senyawa senyawa senyawa
CnH2n+2 CnH2n CnH2n-2
1 CH4 Metana - - - -
2 C2H6 Etana C2H4 Etena C2H2 Etuna
3 C3H8 Propana C2H6 Propena C3H4 Propuna
4 C4H10 .............. .............. .............. .............. ..............
5 C5H12 .............. .............. .............. .............. ..............
6 C6H14 .............. .............. .............. .............. ..............
7 C7H16 .............. .............. .............. .............. ..............
8 C8H18 .............. .............. .............. .............. ..............
9 C9H20 .............. .............. .............. .............. ..............
10 C10H22 .............. .............. .............. .............. ..............
Keterangan
Jumlah atom C Nama Jumlah atom C Nama
1 Met 6 heks
2 Et 7 hept
3 Prop 8 okt
4 But 9 non
5 Pent 10 dek
Kesimpulan :
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