a) Em hãy viết công thức cấu tạo của 2 hợp chất có liên kết đôi và phương trình phản ứng thể hiện sự phá vỡ liên kết pi trong đó?
b) Em hãy cho biết hợp chất nào vừa có liên kết đôi, vừa có liên kết đơn, viết công thức cấu tạo và phản ứng đặc trưng của hợp chất đó?
Ex: Rewrite sentence:
1. He is rich but He isn't happy (Although)
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2. Cars cause pollution but people still want them (although)
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3. Mr.Nam was successful in his life although he came from a poor family (despite)
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4. Though he is intelligent, he can't do all these tests well (in spite of)
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5. In spite of his much experience in machinery, he didn't succeed in repairing this machine (Although)
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6. Don't shout at her in spite of her laziness (Though)
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7. It was raining heavily but I went swimming (in spite of)
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8. Though Lan is beautiful and intelligent, she is never proud of herself (As)
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9. Lan is always admired by her friends because she is intelligent (Because of)
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10. We don't spend much time in our homework because a lot of devices for the home were invented (Because of)
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11. We always trust Nam because he is wise and honest (Because of)
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12. Because of Lan's poverty, she can't continue her study at the university (Because)
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