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ouyanghao44銀蟲(chóng) (正式寫(xiě)手)
金蟲(chóng)
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[求助]
求準(zhǔn)確全面地翻譯兩句英文
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Since Fluorine is so electronegative and powerful inductive electron withdrawing substituent,it makes successive Chlorines worse donors to the Lewis Acid Catalyst,hence halogen exchange becomes progressively difficult. There is also a decrease in steric assistance to ionization as each larger chlorine is replace by a smaller fluorine. |

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新蟲(chóng) (正式寫(xiě)手)
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Fluorine is so electronegative and a powerful inductive electron withdrawing substituent, it makes successive Chlorines worse donors to the Lewis Acid catalyst SbF5 氟具有很強(qiáng)的電負(fù)性同時(shí)也是強(qiáng)吸電子誘導(dǎo)效應(yīng)的取代基,使得氯不適合制備用于路易斯酸催化劑的五氟化銻。。。 |
銀蟲(chóng) (正式寫(xiě)手)
金蟲(chóng)

鐵桿木蟲(chóng) (正式寫(xiě)手)
obscure nacissus

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