Mavzu: Atom tuzilishi. Davriy qonun va D. I. Mendeleyevning davriy sistemasi. Atom tarkibi. Yadro reaksiyalari

Mavzu: Kuchli va kuchsiz elektrolitlar. Dissotsiyalanish. Gidroliz.

Nazorat shakli: Yozma ish.

I-variant.

1.Kislotali muhitga ega bo’lgan moddalarga misollar yozing.

2.Dissotsialanish darajasi 95% gat eng bo’lgan elektrolitning 120 ta molekulasini nechtasi dissotsialanishi mumkin?

3.K₂SO₄+H₂O=………….. reaksiyani davom ettiring.Qisqa va to’liq ionli tenglamasini yozing.

4. 5. 2 l 0,5 M li sirka kislota eritmasidagi atsetat (CH3COO–) ionlari
sonini toping. (α =0,2 %)
Kompetentlikni aniqlash uchun materiallar:
5.O’zingiz biladigan moddalardan kuchsiz elektrolitlarga misollar keltiring.

II-variant.

1.Ishqoriy muhitga ega bo’lgan moddalarga misollar yozing.

2. MgSO₄ning dissotsialanish darajasi 12,5% bo’lib, dissotsialangan molekulalar soni 15 ta bo’lsa,eritilgan molekulalar sonini toping.

3. 200 ml 0,5 M li chumoli kislota eritmasidagi formiat (HCOO–)
ionlari sonini toping. (α =0,1 %)
4.Al(NO₃)₃+H₂O=……………… reaksiyani davom ettiring.Qisqa va to’liq ionli tenglamasini yozing.
Kompetentlikni aniqlash uchun materiallar:
5.Kundalik turmushda ovqat qilganimizda suvga tuz solamiz bu gidrolizni qaysi turiga kiradi?(reaksiya tenglamasini yozing.
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Izoh va qaydlar uchun

4- Nazorat ishi