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áÍÅह àªè¹

àÍ¡ÊÒûÃСͺ¡ÒÃàÃÕÂ¹ÇªÔ Ò à¤ÁÕ ªé¹Ñ ÁѸÂÁÈ¡Ö ÉÒ»·Õ Õè 6 l ¤ÃÙ¼ÙÊé ͹ ¹Ò§ÊÒÇÈÂÒÁÅ àÁ¦Ç§¤ì

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Note
¡ÒÃàÃÕ¡ªè×ÍáÍŤչâ«è¡èÔ§à¢Õ¹à»ç¹¢éѹµÍ¹ãËé§èÒµèÍ¡Òè´¨Ó ´Ñ§¹éÕ

µÑÇàÅ¢µÓá˹觤ÒÃìºÍ¹·èÕÁÕËÁèÙá·¹·èÕ – ª×èÍËÁèÙá·¹·èÕ – µÑÇàÅ¢µÓá˹觤ÒÃìºÍ¹ ·ÕèÁվѹ¸Ð¤Ùè – àÃÕ¡ª×èÍâ«èËÅÑ¡µÒÁ¨Ó¹Ç¹
¤ÒÃìºÍ¹ã¹â«èŧ·éÒÂàÊÕ§´éÇ -Õ¹ (–ene)

แบบฝึกหัดที่ 13 การอ่านช่ือแอลคีน àÃÕ¡ª×èÍ

1. ¨§à¢ÂÕ ¹ÊµÙ ÃâÁàÅ¡ØÅ áÅÐàÃÕ¡ª×èÍÊÒûÃСͺ·ÕèÁÊÕ ÙµÃâ¤Ã§ÊÃéÒ§µÍè 仹éÕ
¢Íé ʵ٠Ãâ¤Ã§ÊÃÒé §
1.

2.

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5.
6.

àÍ¡ÊÒûÃСͺ¡ÒÃàÃÂÕ ¹ÇÔªÒ à¤ÁÕ ªÑé¹Á¸Ñ ÂÁÈ¡Ö ÉÒ»Õ·èÕ 6 l ¤ÃÙ¼ÙéÊ͹ ¹Ò§ÊÒÇÈÂÒÁÅ àÁ¦Ç§¤ì

¢Íé ʵ٠Ãâ¤Ã§ÊÃÒé § à¤ÁÕÍ¹Ô ·ÃÕÂì ˹Òé 57
7.
àÃÕ¡ªèÍ×
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9.

2. ¨§à¢ÂÕ ¹ÊµÙ Ãâ¤Ã§ÊÃéÒ§áÅÐʵ٠ÃâÁàÅ¡ÅØ ¢Í§ÊÒûÃСͺäÎâ´Ã¤ÒÃìºÍ¹·ÁÕè ªÕ è×͵Íè 仹Õé

¢Íé ª×Íè ÊÒûÃСͺ ʵ٠ÃâÁàÅ¡ØŠʵ٠Ãâ¤Ã§ÊÃéÒ§

1. 3-àÍ·ÅÔ -2-àÁ·ÅÔ -2-ྐྵ·¹Õ

(3-ethyl-2-methyl-2-pentene)

2. 4-àÍ·ÔÅ-2,4-ä´àÁ·ÔÅ-1-àΡ«Õ¹
(4-ethyl-2,4-dimethyl-1-hexene)

3. 5-àÍ·ÔÅ-4-â¾Ã¾ÔÅ-1-àλ·Õ¹
(5-ethyl-4-propyl-1-heptene)

4. 1,3-ä´àÁ·ÅÔ ä«â¤Åྐྵ·¹Õ
(1,3-dimethylcyclopentene)

àÍ¡ÊÒûÃСͺ¡ÒÃàÃÕÂ¹ÇªÔ Ò à¤ÁÕ ªé¹Ñ Á¸Ñ ÂÁÈÖ¡ÉÒ»Õ·Õè 6 l ¤Ã¼Ù ÙéÊ͹ ¹Ò§ÊÒÇÈÂÒÁÅ àÁ¦Ç§¤ì

à¤ÁÕÍ¹Ô ·ÃÕÂì ˹Òé 58

¢éÍ ªèÍ× ÊÒûÃСͺ ʵ٠ÃâÁàÅ¡ÅØ ÊµÙ Ãâ¤Ã§ÊÃéÒ§

5. 1-àÁ·ÔÅä«â¤ÅºÇÔ ·¹Õ
(1-methylcyclobutene)

6. 3, 4-ä´àÁ·ÔÅ-2-àΡ«¹Õ
(3, 4-dimethyl-2-hexene)

àÍ¡ÊÒûÃСͺ¡ÒÃàÃÕ¹ÇÔªÒ à¤ÁÕ ªé¹Ñ ÁѸÂÁÈÖ¡ÉÒ»Õ·èÕ 6 l ¤Ã¼Ù ÊÙé ͹ ¹Ò§ÊÒÇÈÂÒÁÅ àÁ¦Ç§¤ì

à¤ÁÕÍÔ¹·ÃÕÂì ˹éÒ 59

ÊÁºÑµÔ¢Í§áÍŤչ

ÊÁºÑµÔ·Ò§¡ÒÂÀÒ¾¢Í§áÍŤչ
1. ¨Ø´ËÅÍÁàËÅÇáÅШشà´×Í´¢Í§áÍŤչÊÙ§¢éÖ¹µÒÁ¨Ó¹Ç¹ÍеÍÁ¢Í§¤ÒÃìºÍ¹

áçÂÖ´à˹èÕÂÇÃÐËÇèÒ§âÁàÅ¡ØŢͧáÍŤչà»ç¹áçÅ͹´Í¹àªè¹à´ÕÂǡѺáÍÅह ¨Ø´ËÅÍÁàËÅÇáÅШشà´×Í´ ¨Ö§ÊÙ§¢Öé¹µÒÁÁÇÅ
âÁàÅ¡ØÅ ËÃ×Í µÒÁ¨Ó¹Ç¹ÍеÍÁ¢Í§¤ÒÃìºÍ¹·Õèà¾ÔèÁ¢Öé¹â´ÂáÍŤչ¨ÐÁըشà´×Í´µèÓ¡ÇèÒáÍÅह·ÕèÁըӹǹ ÍеÍÁ¢Í§¤ÒÃìºÍ¹à·èҡѹ
àªè¹ ºÔÇ·Õ¹ (C4H8) Áըشà´×Í´µèÓ¡ÇèÒºÔÇà·¹ (C4H10)
2. äÁèÅÐÅÒÂã¹¹éÓ

áÍŤչà»ç¹âÁàÅ¡ØÅäÁèÁÕ¢éÑÇ Êèǹ¹éÓà»ç¹âÁàÅ¡ØÅÁÕ¢éÑÇ áÍŤչ¨Ö§äÁèÅÐÅÒÂã¹¹éÓ áµèÅÐÅÒÂä´éã¹âÁàÅ¡ØÅäÁèÁÕ¢éÑÇ àªè¹ àΡૹ
(hexane)
3. ÁÕ·Ñé§Ê¶Ò¹Ðá¡êÊ ¢Í§àËÅÇ áÅТͧá¢ç§

·èÕÀÒÇл¡µÔáÍŤչÁÕʶҹÐà»ç¹ä´é·éѧá¡êÊ ¢Í§àËÅÇ áÅТͧá¢ç§ ¢Öé¹ÍÂÙè¡Ñº¨Ó¹Ç¹ÍеÍÁ¢Í§¤ÒÃìºÍ¹ã¹âÁàÅ¡ØÅ ËÒ¡ÁÕ
¨Ó¹Ç¹ÍеÍÁ¢Í§¤ÒÃìºÍ¹¹éͨÐÁÕʶҹÐà»ç¹á¡êÊ àªè¹ ÍÕ·Õ¹ (C2H4) â¾Ã¾Õ¹ (C3H6) áÅкÔÇ·Õ¹ (C4H8) áµèËÒ¡Áըӹǹ
ÍеÍÁ¢Í§¤ÒÃìºÍ¹à¾èÔÁ¢éÖ¹¨ÐÁÕʶҹÐà»ç¹¢Í§àËÅÇáÅТͧá¢ç§ àªè¹ ྐྵ·Õ¹ (C5H10) ÁÕʶҹРà»ç¹¢Í§àËÅÇ
4. äÁè¹Óä¿¿éÒ㹷ءʶҹÐ
ÊÁºÑµÔ·Ò§à¤ÁբͧáÍŤչ
1. à¡Ô´»¯Ô¡ÔÃÔÂÒ¡ÒÃà¼ÒäËÁé

áÍŤչµÔ´ä¿ä´é´Õ¡ÒÃà¼ÒäËÁé¢Í§áÍŤչã¹ÍÒ¡ÒÈä´é¼ÅÔµÀѳ±ìà»ç¹á¡êʤÒÃìºÍ¹ä´ÍÍ¡ä«´ì ä͹éÓ ¾Åѧ§Ò¹ áÅÐÁÕ¤ÒÃìºÍ¹
àËÅ×Íà»ç¹à¢ÁèÒáµèËÒ¡à¼ÒäËÁéáÍŤչ㹺ÃÔàdz·ÕèÁÕá¡êÊÍÍ¡«ÔਹÁÒ¡à¡Ô¹¾Í¨Ðà¡Ô´¡ÒÃà¼ÒäËÁéÊÁºÙóì¨Ö§äÁèÁÕà¢ÁèÒ àªè¹ ¡ÒÃà¼ÒäËÁé
ÊÁºÙóì¢Í§à¾¹·Õ¹ à¢Õ¹ÊÁ¡ÒÃáÊ´§ä´é´Ñ§¹Õé

2. à¡Ô´»¯Ô¡ÔÃÔÂÒ¡ÒÃàµÔÁ
áÍŤչ à¡Ô´»¯Ô¡ÔÃÔÂÒ¡ÒÃàµÔÁä´éâ´ÂáÍŤչÊÅÒ¾ѹ¸Ð¤ÙèáÅéÇà¡Ô´»¯Ô¡ÔÃÔÂҡѺÊÒÃÍ×è¹ æ ä´é¼ÅÔµÀѳ±ìª¹Ô´à´ÕÂÇ «Öè§à»ç¹

ÊÒûÃСͺ»ÃÐàÀ·ÍÔèÁµÑÇ ´Ñ§µÑÇÍÂèÒ§
1) »¯Ô¡ÔÃÔÂÒ¡ÒÃàµÔÁ¸ÒµØáÎâÅਹ ÍÒ¨àÃÕ¡ÇèÒ »¯Ô¡ÔÃÔÂÒáÎâŨÕ๪ѹ

Ẻ¡ÒÃàµÔÁ (halogenation : addition reaction) «èÖ§à¡Ô´ä´é·Ñé§ã¹
·ÕèÁ×´áÅзÕèÊÇèÒ§ àªè¹ »¯Ô¡ÔÃÔÂÒ¡ÒÃàµÔÁ¤ÅÍÃÕ¹áÅÐâºÃÁÕ¹¢Í§ÍÕ·Õ¹ à¢Õ¹
ÊÁ¡ÒÃáÊ´§ä´é´Ñ§¹éÕ

àÍ¡ÊÒûÃСͺ¡ÒÃàÃÂÕ ¹ÇªÔ Ò à¤ÁÕ ªÑé¹Á¸Ñ ÂÁÈ¡Ö ÉÒ»·Õ Õè 6 l ¤Ã¼Ù Êé٠͹ ¹Ò§ÊÒÇÈÂÒÁÅ àÁ¦Ç§¤ì

à¤ÁÕÍÔ¹·ÃÕÂì ˹éÒ 60

2) »¯Ô¡ÔÃÔÂÒ¡ÒÃàµÔÁäÎâ´Ãਹ àÃÕ¡ÇèÒ »¯Ô¡ÔÃÔÂÒäÎâ´Ã¨Õ๪ѹ (hydrogenation reaction) «Ö觻¯Ô¡ÔÃÔÂÒ ¨Ðà¡Ô´¢éÖ¹ä´é
àÁ×èÍãªéµÑÇàÃ觻¯Ô¡ÔÃÔÂÒ·èÕàËÁÒÐÊÁ àªè¹ âÅËйԡà¡ÔÅ (Ni) ËÃ×Íá¾Å·Ô¹ÑÁ (Pt) à¹×èͧ¨Ò¡¾Ñ¹¸ÐÃÐËÇèÒ§ ÍеÍÁ¢Í§äÎâ´Ãਹ
á¢ç§áç¡ÇèҾѹ¸ÐÃÐËÇèÒ§ÍеÍÁ¢Í§âºÃÁÕ¹ áÅФÅÍÃÕ¹ ¨Ö§µéͧãªé µÑÇàÃ觻¯Ô¡ÔÃÔÂÒªèÇÂ㹡ÒÃÊÅÒ¾ѹ¸ÐáÅШÐä´é¼ÅÔµÀѳ±ìà»ç¹
áÍÅह àªè¹ »¯Ô¡ÔÃÔÂÒ¡ÒÃàµÔÁäÎâ´Ãਹ¢Í§â¾Ã¾Õ¹ à¢Õ¹ÊÁ¡ÒÃáÊ´§ä´é´Ñ§¹éÕ

3) »¯Ô¡ÔÃÔÂÒ¡ÒÃàµÔÁäÎâ´ÃਹáÎäÅ´ì àÃÕ¡ÇèÒ »¯Ô¡ÔÃÔÂÒäÎâ´ÃáÎâŨÕ๪ѹ (hydrohalogenation reaction) à»ç¹
»¯Ô¡ÔÃÔÂÒ¡ÒÃàµÔÁ¡Ã´áÎäÅ´ì (HI HBr HCl áÅÐ HF) à¢éÒ·Õè¾Ñ¹¸Ð¤ÙèáÅÐä´é¼ÅÔµÀѳ±ìà»ç¹áÍŤÔÅáÎäÅ´ì (alkyl halide) àªè¹
»¯Ô¡ÔÃÔÂÒ¡ÒÃàµÔÁ¡Ã´äÎâ´Ã¤ÅÍÃÔ¡¢Í§ÍÕ·Õ¹ à¢Õ¹ÊÁ¡ÒÃáÊ´§ä´é´Ñ§¹Õé

4) »¯Ô¡ÔÃÔÂÒ¡ÒÃàµÔÁ¹éÓàÃÕ¡ÇèÒ»¯Ô¡ÔÃÔÂÒäÎà´ÃªÑ¹ (hydration reaction) «Ö觨ÐÁաôà»ç¹µÑÇàÃ觻¯Ô¡ÔÃÔÂÒ â´Â·èÑÇ仹ÔÂÁ
ãªé¡Ã´«ÑÅ¿ÔÇÃÔ¡ (H2SO4) ËÃ×͡ô¿ÍÊ¿ÍÃÔ¡ (H3PO4) ä´é¼ÅÔµÀѳ±ìà»ç¹áÍÅ¡ÍÎÍÅì (alcohol) àªè¹ »¯Ô¡ÔÃÔÂÒ¡ÒÃàµÔÁ¹éӢͧ
ÍÕ·Õ¹ à¢Õ¹ÊÁ¡ÒÃáÊ´§ä´é´Ñ§¹Õé

3. à¡Ô´»¯Ô¡ÔÃÔÂÒÍÍ¡«Ôപѹ
»¯Ô¡ÔÃÔÂÒÍÍ¡«Ôപѹ (oxidation reaction) ËÃ×ÍÍÒ¨àÃÕ¡ÇèÒ »¯Ô¡ÔÃÔÂÒ¡ÒÃàµÔÁ¡ÑºÊÒÃÅÐÅÒÂâ¾á·Êà«ÕÂÁà»ÍÃìáÁ§¡Ò๵

ä´é¼ÅÔµÀѳ±ì à»ç¹ä¡Å¤ÍÅ (glycol) áÅÐáÁ§¡Ò¹ÕÊ (IV) ÍÍ¡ä«´ì (MnO2) «èÖ§à»ç¹µÐ¡Í¹ ÊÕ¹éÓµÒÅà¢éÁ àªè¹ »¯Ô¡ÔÃÔÂÒÍÍ¡«Ôപѹ
¢Í§ 2-ºÔÇ·Õ¹ à¢Õ¹ÊÁ¡ÒÃáÊ´§ä´é ´Ñ§¹éÕ

4. à¡Ô´»¯Ô¡ÔÃÔÂÒ¡ÒÃà¡Ô´¾ÍÅÔàÁÍÃì
»¯Ô¡ÔÃÔÂÒ¡ÒÃà¡Ô´¾ÍÅÔàÁÍÃì (polymerization reaction) à»ç¹»¯Ô¡ÔÃÔÂÒ¡ÒÃÃÇÁµÑÇÃÐËÇèÒ§áÍŤչ·ÕèÁÕ ¢¹Ò´âÁàÅ¡ØÅàÅç¡

«Öè§àÃÕ¡ÇèÒ Á͹ÍàÁÍÃì (monomer) ¡ÅÒÂà»ç¹âÁàÅ¡ØÅ¢¹Ò´ãË­è «Öè§àÃÕ¡ÇèÒ ¾ÍÅÔàÁÍÃì (polymer) â´Âà¡Ô´»¯Ô¡ÔÃÔÂÒ·èվѹ¸Ð¤Ùè
ÀÒÂãµéÍسËÀÙÁÔáÅФÇÒÁ´Ñ¹ÊÙ§ àªè¹ »¯Ô¡ÔÃÔÂÒ¡ÒÃà¡Ô´¾ÍÅÔàÁÍÃì¢Í§ÍÕ·Õ¹

àÍ¡ÊÒûÃСͺ¡ÒÃàÃÕÂ¹ÇªÔ Ò à¤ÁÕ ª¹éÑ ÁѸÂÁÈ¡Ö ÉÒ»Õ·èÕ 6 l ¤Ã¼Ù ÙéÊ͹ ¹Ò§ÊÒÇÈÂÒÁÅ àÁ¦Ç§¤ì

à¤ÁÍÕ Ô¹·ÃÂÕ ì ˹éÒ 61

¡ÒÃà¡Ô´äÍâ«àÁÍÃì¢Í§áÍŤչ

áÍŤչàÃÔèÁÁÕäÍâ«àÁÍÃìàÁ×èÍÁÕ¤ÒÃìºÍ¹µéѧáµè 4 ÍеÍÁã¹ 1 âÁàÅ¡ØÅ áÅШӹǹäÍâ«àÁÍÃì¨Ðà¾èÔÁ¢éÖ¹ µÒÁ¨Ó¹Ç¹ÍеÍÁ
¢Í§¤ÒÃìºÍ¹ã¹âÁàÅ¡ØŢͧÊÒùéѹ æ àªè¹ C4H8 ÁÕ 3 äÍâ«àÁÍÃì ´Ñ§¹éÕ

ËÅÑ¡¡ÒÃà¢Õ¹äÍâ«àÁÍÃì¢Í§áÍŤչ
1) à¢Õ¹ÍеÍÁ¢Í§¤ÒÃìºÍ¹µè͡ѹà»ç¹â«èÂÒǨ¹¤ÃºµÒÁ¨Ó¹Ç¹·Õè⨷Âì¡Ó˹´ àªè¹
2) ¡Ó˹´µÑÇàÅ¢áÊ´§µÓá˹è§ÍеÍÁ¢Í§¤ÒÃìºÍ¹ áÅéÇà¢Õ¹¾Ñ¹¸Ð¤ÙèÃÐËÇèÒ§ÍеÍÁ¢Í§¤ÒÃìºÍ¹ â´ÂàÃÔèÁ¨Ò¡¤ÒÃìºÍ¹

µÓá˹觷Õè 1 àªè¹

3) àÅ×è͹µÓá˹觾ѹ¸Ð¤Ùèä»·ÕÅÐ 1 µÓáË¹è§ ·ÕèäÁè«éӡѺµÓá˹觷Õèà¢Õ¹ä»áÅéÇ áÅéÇàµÔÁäÎâ´ÃਹãËé¤Ãº µÒÁ¨Ó¹Ç¹·Õè
⨷Âì¡Ó˹´

2. à¢Õ¹äÍâ«àÁÍÃì·Õèà»ç¹áÍŤչâ«è¡èÔ§â´ÂÁÕËÅÑ¡¡Òôѧ¹Õé
1) µÑ´ÍеÍÁ¤ÒÃìºÍ¹ÍÍ¡¨Ò¡â«èËÅÑ¡ 1 ÍеÍÁ áÅéǹÓÁÒµèÍà»ç¹â«è¡Ô觷èÕµÓá˹觵èÒ§ æ ¢Í§â«èËÅÑ¡ â´ÂäÁèãËéµÓá˹è§

«éӡѹ áÅéÇà¢Õ¹¾Ñ¹¸Ð¤èÙàÃÔèÁ¨Ò¡µÓá˹觷Õè 1 áÅéÇàÅè×͹仵Óá˹è§Í×è¹â´ÂäÁè«éӡѹ àªè¹

2) à¢Õ¹äÍâ«àÁÍÃì·èÕÁÕ¡èÔ§ÁÒµèͺ¹â«èËÅÑ¡ÁÒ¡¡ÇèÒ 1 ¡Ôè§ â´ÂµÑ´ÍеÍÁ¢Í§¤ÒÃìºÍ¹ÍÍ¡¨Ò¡â«èËÅÑ¡ÍÕ¡ 1 ÍеÍÁ áÅйÓÁÒ
µèÍà»ç¹¡èÔ§à¾èÔÁÍÕ¡ 1 µÓáË¹è§ áÅéÇãÊè¾Ñ¹¸Ð¤èÙ ËÒ¡ãÊè¾Ñ¹¸Ð¤èÙäÁèä´éáÊ´§ÇèÒà¢Õ¹äÍâ«àÁÍÃìäÁèä´éÍÕ¡ àªè¹

àÍ¡ÊÒûÃСͺ¡ÒÃàÃÂÕ ¹ÇªÔ Ò à¤ÁÕ ªéѹÁѸÂÁÈ¡Ö ÉÒ»Õ·Õè 6 l ¤Ã¼Ù ÙéÊ͹ ¹Ò§ÊÒÇÈÂÒÁÅ àÁ¦Ç§¤ì

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àÁè×Í¡Ó˹´ÍеÍÁ¢Í§¤ÒÃìºÍ¹ÁÒµèÍà»ç¹¡Ôè§ 2 ÍеÍÁ áÅéÇà¢Õ¹¾Ñ¹¸Ð¤ÙèäÁèä´é áÊ´§ÇèÒà¢Õ¹ äÍâ«àÁÍÃìà¾èÔÁäÁèä´éáÅéÇ
´Ñ§¹éѹ C5H10 ÁըӹǹäÍâ«àÁÍÃì 5 äÍâ«àÁÍÃì
äÍâ«àÁÍÃìàâҤ³Ôµ¢Í§áÍŤչ

ÊÒûÃСͺáÍŤչºÒ§ª¹Ô´·èÕÁÕÊÙµÃâÁàÅ¡ØÅáÅÐÊÙµÃâ¤Ã§ÊÃéÒ§àËÁ×͹¡Ñ¹ áµèÁÕÊÁºÑµÔ·Ò§¡ÒÂÀÒ¾ áÅзҧà¤ÁÕᵡµèÒ§¡Ñ¹
à¹è×ͧ¨Ò¡ÍеÍÁËÃ×Í¡ÅèØÁÍеÍÁ·èÕáµèÅдéÒ¹¢Í§¾Ñ¹¸Ð¤ÙèÁÕ¡ÒèѴàÃÕ§µÑÇã¹ 3 ÁÔµÔᵡµèÒ§¡Ñ¹ «Ö觨Ѵà»ç¹äÍâ«àÁÍÃìÍÕ¡ª¹Ô´Ë¹Öè§ àÃÕ¡ÇèÒ
äÍâ«àÁÍÃìàâҤ³Ôµ (geometric isomer) «èÖ§ÍÒ¨à»ç¹äÍâ«àÁÍÃìẺ«ÔÊ (cis) ËÃ×ÍäÍâ«àÁÍÃìẺ·ÃÒ¹Êì (trans) àªè¹
1, 2-ä´¤ÅÍâÃÍÕ·Õ¹ (1, 2-dichloroethene) ÁÕ 2 äÍâ«àÁÍÃì ´Ñ§¹Õé

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แบบฝึกหัดท่ี 14

1. ÊÒûÃСͺ㴵èÍ仹àÕé »¹ç äÍâ«àÁÍÃì¡Ñ¹
1. 2,3-dimethyl-3- hexene


2. 4-ethyl-5- methyl-2-pentene

3. 3-ethyl-2,4-dimethyl-2-pentene

4. 5-methyl-1-hexene

2. áÍŤ¹Õ µÍè 仹ÊéÕ ÒÁÒöà¡Ô´äÍâ«àÁÍÃàì âҤ³µÔ ËÃ×ÍäÁè áÍŤ¹Õ ã´à¡Ô´ãËàé ¢ÂÕ ¹ÊµÙ Ãâ¤Ã§ÊÃÒé § ¢Í§ cis- áÅÐ trans- äÍâ«àÁÍÃì
¶éÒäÁèà¡Ô´ãËÃé кÇØ Òè äÁàè ¡Ô´

1. CH3-CH=CH-CH3

2. CH2=CH-CH3

3. CH3CH=C(CH3)CH2CH3

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