2023年UIUC早申政策有變動，南加大和紐大也官宣最新招生政策
8月1日，23Fall美本申請系統(tǒng)Common Application正式開放，申請美本的留學生們已經(jīng)可以開始提交材料，也正式宣告今年的申請季已經(jīng)正式啟動！ 隨著Commom App的開放，美國許多熱門院校官宣了最新的招生政策。 一、...
CIE A Level Chemistry復習筆記7.5.1 Production of Benzoic Acid
Production of Benzoic Acid Benzoic acids?are the simplest?aromatic carboxylic acids?with the molecular formula of C6H5COOH Benzoic acids and their derivatives are often used as reagents in the synt...
CIE A Level Chemistry復習筆記7.4.6 Reactions of Other Phenolic Compounds
Reactions of Other Phenolic Compounds Phenolic compounds?are those that contain a?phenol?functional group An example of a phenolic compound is?1-naphthol 1-Naphthol is a phenolic compound 1-Naphtho...
CIE A Level Chemistry復習筆記7.4.5 Nitration & Bromination of Phenol
Nitration & Bromination of Phenol Compared to?benzene, phenol?reacts?more readily?with?electrophiles This is because?one of the lone pairs?of electrons on the oxygen atom in phenol?overlaps?wit...
CIE A Level Chemistry復習筆記7.4.4 Acidity of Phenols
Acidity of Phenols Although phenol compounds contain an?alcohol?(-OH) group, they are?weakly acidic This is due to the?delocalisation?of one of the lone pairs from the oxygen atom into the aromatic...
CIE A Level Chemistry復習筆記7.4.3 Reactions of Phenol
Reactions of Phenol Phenols can undergo many types of reactions as both the?electron-rich benzene ring?and the?polar -OH?group can participate in chemical reactions Some of the reactions of phenols...
CIE A Level Chemistry復習筆記7.4.2 Production of Phenol
Production of Phenol Phenols?are organic compounds characterised by the presence of an -OH group which is attached to a benzene ring Phenols can be produced by the reaction of?phenylamine?with?nitr...
2022年怡和獎學金即將開放申請，申請牛劍的同學不要錯過！
最近有不少小伙伴咨詢英國本科有哪些獎學金可以申請。如果有，自己需要滿足什么條件？又該如何申請？何時申請呢？恰好本月中旬怡和獎學金將開放申請，本期小編與大家一起快速了解每年申請競爭相當激烈且金額豐厚...
CIE A Level Chemistry復習筆記7.4.1 Alcohols
Reaction of Alcohols With Acyl Chlorides Acyl chlorides?are?reactive?organic compounds with a?-COCl?functional group The carbonyl carbon is?electron-deficient?and has a?partial positive charge It i...
