Kimyo fаnidаn tеsti 6,5 gr vinil аldеgid kmnО

32. Bob oksidlanish qaytarilish reaksiyalari
1.Quydagi reaksiyalarni elektron blans usuli bilan tenglab ularni oksidlanish qaytarilish reaksiyalarining qaysi turiga mansubligini ayting?
1.Cu+HNO₃_______ Cu (NO₃)₂+NO+H₂O
2.H₂SO₃_________H₂S____S+H₂O
3.KmnO₄_____K₂HnO₄+MnO₂+O₂
4.K+HNO₃_____KNO₃+N₂O+H₂O
5.KMnO₄+Fe SO₄+H₂SO₄_______K₂SO₄+MnSO₄
6. H₂O₂ ____H₂O+O₂
7. CuO+NH3______Cu+N₂+H₂O
8. SO₂+Cl₂+H₂O______H₂SO₄+HCl
9.Al+NaOH+H₂O______NaAlO₂+H₂
10. NH₄NO₂_____N₂+H₂O
11. KMn O ₄ + HCl______KCl+Mn Cl₂+Cl₂+H₂O
12. NaOH+Cl ₂_______ Cl₂___NaCl+ NaClO₃+H₂O
33. Bob yuzlarga oid 2(Mendeleyev Klapeon ) usuli
1. 1,568 litr kislarodni 30 ⁰ c va 168 kilopaskaldagi massasini toping?
A)3,346 gr B)6,2gr C)4326 gr D) 3,43 gr
2.4,2 gr kislarodni 27 ⁰ c va 3134226 paskaldagi hajmini (l) toping?
A)104,446 B)102,223 C)208,313 D)502,26
3.Nomalum gazning 0,41159 litr 28 0 c da va 152 kilopaskalda 0,7 gr keladi nomalum gazni toping?
A) CH4 B)CO2 C)Cl D)N2
4. 1,42 gr azotni 33 ⁰ c va 1,2 atmosfera bosimidagi hajmini (l) toping?
A) 10,604 B) 1,0604 C)53,02 D)530,2
5. 224 litr vadarodni 30 ⁰ va 24 atmosfera bosimidagi massasini toping?
A)0,432 gr B)0,262 gr C)2,8 gr D)1,2 gr
34 Bob Elektrolizga oid
1. AgNO₃ eritmasi orqali 5 amper tok 13,4 soat mobaynida o’tkazilganda katodda hosil bo’lgan metallni massasini toping?
A)270 gr B)240 gr C)310 gr D)216 gr
2. CuSO₄ eritmasi orqali 2 amper tok 193 cekuntd mobaynida o’tkazilganda katodda hosil bo’lgan metall massasini toping?
A)12,8gr B)6,4gr C)3,2 gr D) 4,8 gr
3. Na2 CO₃ suyuqlanmasi elektroliz qilingan33,6 litr (n sh) kislorod ajraldi hosil bo’lgan metall massasini toping?
A)138 gr B)192 gr C)92 gr D)46 gr
4. 10,2 gr Al₂O₃ elektroliz qilinganda qancha gaz ajraladi? (n sh)
A)2,24 B)3,36 C)4,48 D)6,72
5. 9 mol suvni to’liq parchalash uchun 4 amper tok qancha vaqt (soat) mobaynida o’tkazilishi kerak?
A)240,2 B)120,6 C)103,6 D)201,2
6. 52 gr Cd SO₄ ni elektroliz qilish 6 amper tok qancha vaqt (sekund) mobaynida o’tkazilishi kerak?
A)19300 B)8041,67 C)9333,3 D)1666,67