Kimyo. (1 Qism)

1.3d² 4s² 2. 3d⁵4s² 3.3s²3p³
a) kislotali b) asosli c) amfoter
A) 1 – b,c; 2 b,c; 3 a,
B) 1 a,b,c; 2 a,b,c; 3 – a
C) 1 a,b; 2 – a,b; 3 a,
D) 1 b,c; 2 a,b,c; 3 a

79. 
    Bir xossaga ega (asosli, kislotali, amfoter) ega bo’lmagan oksid va unga muvofiq gidroksid juftlikni toping?
    

1. 
   Cr₂O₃, Cr(OH)₃
   
2. 
   Au₂O₃, Au(OH)₃
   
3. 
   CuO, Cu(OH)₂
   
4. 
   FeO, Fe(OH)₂
   

79. 
    Izopropil radikaliga boy alkanni toping.
    

1. 
   2,4 – dimetilgeksan
   
2. 
   2,4 – dimetilpentan
   
3. 
   2,5 dimetilgeksan
   
4. 
   2,7 – dimetil – 4 – izopropiloktan
   

79. 
    Etil radikaliga boy alkanni toping.
    

1. 
   3,4 – dimetilgeksan
   
2. 
   3,4,5 – trimetilgeksan
   
3. 
   2,3,4,5,6 pentametil – 3,4,5 trietilgeptan
   
4. 
   3,3,5,5 – tetrametil – 4,4 – dietilgeptan
   

79. 
    Qaldiroq gaz molyar massasini ( ) toping. A) 18 B) 16 C) 12 D) 17
    

79. 
    Suv gazining molyar massasini ( g/mol) toping. A) 14 B) 15 C) 16 D) 28
    

79. 
    Xlor qanday valentliklarni namoyon eta oladi? A) 1,3,5,7 B)1,5,7 C) 1,3,4,5,6,7 D) 2,4,6,8
    
80. 
    Quyidagi moddalar orasidan eng kuchli asos zarrachani toping.
    

A)HSO₄^- B) SO₄^2- C) HCO₃^- D) CO₃^2-

79. 
    Quyidagi moddalar orasidan eng kuchli asos zarrachani toping.