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تسجيل د محمد عبد الوهاب
حمل من هنا
نقلا عن دكتور اسامه عوف
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Draw structures of
- أو يرسم لحضرتك مركبات .. ويطلب من حضرتك تقول اسمها
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- Complete sentences ع النواتج والألوان .. بس مهم جدا الميكانيزمات
***** Salicylic acid gives ………………. Oder with sodalime on ………….. ( hot or cold ?? ) , as a result of …………………………… effect ( hydrolysis or decarboxylation or dehydration ?? )
***** acetaldehyde gives ……………………………………….. with 30% NaOH by mechanism of ………………………… .
*****action of FeCl3 with acetic acid gives blood red ………………… ( color or ppt ?? ) after ………………….. , due to ………………………………. ( oxidation or salt formation ?? )
***** all phenolic compounds give …………………… color with FeCl3 due to ………………….. effect .
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- Complete definitions اللى عند حضراتكو ف ورق السكاشن ، ومكتوب جنبها عشان الشيت ..
**** Dimorphism , polymorphism , amorphous , hygroscopic , ………………………………. Etc
__________________________________________________ ____- Reasons of color of organic comp (( 1st section )) ( chromophore & auxochrome , ………….. etc )_________________________________________________ _____
Complete equations :
*** Formation of biuret residue هااااااااااااااااااااااااا
ااام جدا جدا جدا
*** Sodalime
*** aldol condensation & cannizaro
*** FeCl3 :
Formic acid reacts with FeCl3 after ………………… to give …………………………….. which has blood red color .
Phenol reacts with FeCl3 to give comp ………………………. Which has violet ……………………. ( color or ppt ?? )
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- True or false : هااااااااااااام جدا ... الدكتورة قالت عليه بامر الله جاى
*** formaldehyde gives yellow resin + bad oder on hot with 30 % NaOH due to aldol condensation . ( )
*** acetaldehyde gives yellow resin + bad oder on hot with 30 % NaOH due to cannizaro reaction
بالتوفيق إن شاء الله
:fop (28)::fop (28)::fop (28)::fop (28)::fop (28)::fop (28):
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