Guruh talabasi ning umumiy kimyo fanidan Laboratoriya mashg’ulotlari Daftari

2-tajriba.Кimуоviу muvozanatga katalizator ta'siri

Ihning maqsadi: Laboratori sharoitda kimуоviу reaksiya tezligiga katalizator ta'sirini o’rganish.

Asboblar: probirka,
Reaktivlar:Н₂О₂, MnO₂, РЬО₂
Ishning mazmuni: Ikkita probirka olib, ulaming har biriga 5 ml dan 3% li vodorod peroksid Н₂О₂ quying. Ikkala probirka og'ziga uchi cho'g' bo'lib turgan cho'pni tushiring. Cho'pning yonmasligini kuzating. Probirkalaming biriga nihoyatda oz miqdorda marganes (IV) oksid Mn0₂ kukunidan soling. Gaz ajralishini kuzating. Ikkala probirka og'ziga uchi cho'g' bо'lib turgan cho'pni tuting. Marganes (IV) oksid solingan probirkada cho'pning yonishini kuzating. Sababini tushuntiring. Reaksiya tenglamasini yozing. Yuqoridagi tajribani qo'rg'oshin (IV) oksid РbО₂ bilan ham takrorlang. Qanday o'zgarish bo'ldi? Xulosa chiqaring.
Xulosa:
Tajribada qanday jarayon sodir bo’ldi:___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Reaksiya tenglamasini yozing:______________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________


Topshirdi:______________