Đốt cháy hoàn toàn hồn hợp X gồm hai hidrocacbon cùng dãy đồng đẳng. Hấp thụ hết sản phẩm vào bình đựng dung dịch Ca(OH)2 dư, thấy khối lượng bình tăng 1,276 gam và thu được 2 gam kết tủa. Dãy đồng đẳng của hai hidrocacbon là A ankin. B ankan. C aren. D ankin hoặc ankadien.

Các câu hỏi liên quan

Rewrite the following sentences, using the words given: 1. Doing morning exercises every day is good for you.  You should …………………………………………………………………… 2. Cartoons are colourful and funny so children love watching cartoons.  Because ………………………………………………………………………. 3. We were late because there was an accident.  ………………………………………………so……..………………………. 4. Her favourite TV programme is comedy.  She likes ………………………………………………………………………. 5. Although my father enjoys sports, he doesn’t often watch sports programmes.  ……………………………………………………………but……..…………. 6. No programmes on VTV3 is more popular than game shows.  Game shows are ………………………………………………………………………. 7. I advise you not to eat lots of sweets.  You shouldn’t ……………………………………………………………….. 8. News programme starts at 7 p.m and finishes at 8 p.m.  News programme lasts ……………………………………………………… 9. Mary enjoys watching “Tom and Jerry” best.  “Tom and Jerry” is ……………………………………………………………. 10. How many times a week does your brother watch science programmes?  How often ………………………………………………………………………. 11. How many dollars does cable TV cost per month?  How ……………………………………..……………………………………. 12. Children are interested in watching dragon dance at Tet.  Children likes ………………………………………………………………………. 13. What do people celebrate Tet for?  Why …………………………………………………………………………….? 14. Game shows are more interesting than news.  ………………………………..boring………………………………………………. 15. We use plants and flowers to decorate our house.  We decorate ………………………………………………………………………. 16. Adults usually give children lucky money on Tet.  Children ………………………………………………………………………. 17. It is not a good idea to swim immediately after a meal.  You shouldn’t ………………………………………………………………………. 18. It is good for your health to drink enough water.  You should ………………………………………………………………………. 19. They are likely to have a party next Sunday.  They will ………………………………………………………………………........ 20. Why don’t we go to Times Square to welcome the New Year?  How about ………………………………………………………………………...... 21. You shouldn’t spend a lot of time watching TV.  It is not good to ………………………………………………………………………. 22. Millions of viewers around the world are attracted to Discovery channel.  Discovery channel attracts ……………………………………………………………… 23. “Hello Fatty” is both entertaining and educational to young audience.  “Hello Fatty” can ………………………………………………………………………. 24. I am tired, so I will go to bed early.  ………………………………………………because……………………………. 25. How much time do you spend watching TV a day?  How many hours ……………………………………………………………………….