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ID number:306334
 
Evaluation:
Published: 08.12.2011.
Language: Latvian
Level: Secondary school
Literature: n/a
References: Not used
Extract

tīrā veidā ir bezkrāsaina kristāliska viela ar specifisku smaku (ož pēc guaša krāsām). Oksidējoties ar gaisa skābekli, fenola kristāli kļūst sarkanīgi. Ar vārdu fenoli apzīmē arī citus organiskos savienojumus, kur hidroksilgrupa ir tieši saistīta ar benzola gredzenu. Fenols ir vienkāršākais fenolu grupas pārstāvis.

Fenolu var iegūt, oksidējot kumolu (izopropilbenzolu), oksidējot benzoskābi vai benzolu, vai arī, hidrolizējot hlorbenzolu. Fenols ir arī sastopams akmeņogļu darvā.…

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