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Помогите кто может с химией!
1)Пентан->Пентен 1 -> Пентанол 2-> 2 Хлорпентан ->Пентен 2
2)Хлор этан->Этанол ->Уксусный альдегит ->Уксусная кислота ->Ацетат натрия.
Ответы 1
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1)C₅H₁₂=C₅H₁₀+H₂C₅H₁₀+H₂O=C₅H₁₁OH ⇔ H₃C-CH(OH)-CH₂-CH₂-CH₃C₅H₁₁OH+HCl=C₅H₁₁Cl+H₂O ⇔ H₃C-CHCl-CH₂-CH₂-CH₃ C₅H₁₁Cl+KOH=C₅H₁₀+KCl+H₂O2)C₂H₅Cl+KOH=C₂H₅OH+KCl C₂H₅OH⇒C₂H₄O⇒CH₃COOH CH₃COOH+NaOH= CH₃COONa+H₂O
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Автор:
ellorypae6 - 6 лет назад
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Даю 100 баллов!!!
You are going to read the story "The Game of Croquet". Eight sentences have been removed from the story. Choose from the sentences A — I the one which fits each gap 1 —8. There is one extra sentence which you do not need to use.
Вы прочитаете рассказ "Игра в крокет". Восемь предложений убраны из рассказа. Выберите из пред¬ложений А — I то предложение, которое подходит каждому пропуску 1 — 8. Есть одно лишнее предложе¬ние, которое вам не надо использовать. Занесите от¬веты в таблицу.
A. Three playing cards were painting some roses.
B. "It's the Cheshire cat," she said.
C. It was a very strange croquet ground.
D. Alice was afraid.
E. A very fat Queen of Hearts arrived.
F. All the soldiers were playing cards.
G. It looked like a cat's head.
H. "In March," the Hatter answered.
I. The Hatter arrived with a cup of tea.
The Game of Croquet
There were a lot of animals and people in the castle garden. And a lot of soldiers. (1) _____ They were all very busy preparing for the game. (2) _____ "What are you doing?" asked Alice. "The Queen
told us to plant red roses," said one of the playing cards. "But one is white, so we are painting it red."
"The Queen, the Queen!" shouted a playing card. (3) _____ "Who are these people?" the Queen asked Alice. "I have no idea," answered Alice. "Off with her head!" shouted the Queen. "Don't be silly," said Alice. "Can you play croquet?" the Queen asked Alice. "Yes, of course," she said. (4) _____ The balls were hedgehogs, the mallets were flamingoes and the Queen's soldiers were the arches! Everybody played at the same time. The Queen shouted "Off with his head!" all the time. It was chaotic!
Alice saw a mouth, then a nose, then whiskers. (5) _____ "Who are you talking to?" asked the King. "A friend of mine," said Alice. "I don't like him," said the King. "Off with his head!" "How can you take his head off when he hasn't got a body?" laughed Alice.
"Where are my tarts?" said the Queen. "The Knave ate them," said the White rabbit. "The Hatter saw him." "Bring the Hatter!" ordered the King. (6) _____ "Excuse me, I was having my tea," said the Hatter. "When did you start tea?" asked the King. (7) _____ "Off with his head!" said the Queen. "Stop!" shouted Alice. "You are only playing cards, you can't." "Off with her head!" shouted the Queen.
The playing card soldiers walked towards Alice. She started to run. Everybody was saying, "OFF WITH HER HEAD, OFF WITH HER HEAD!" (8) _____ "No, no!" she shouted. "Wake up, Alice," said her sister. "It's time to go home."
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