1. 1-Mavzu;atom tarkibi 1

21 Azot (I) oksidi tarkibida azot atomlarini valentliklarni toping.
A) 4 ; 2 B) 2; 2 C) 3; 3 D) 4; 4
22 Xlor (VII) oksidi tarkibidagi xlorning ekvivalent massasi va molekula tarkibidagi δ bog’lar sonini toping.
A) 28; 4 B) 5,071; 8 C) 28; 8 D) 18,666; 4
23 Is gazi tarkibidagi uglerodnning valentligi va massa ulushini hisoblang.
A) 3 ;0,4285 B) 2; 0,345 C) 3; 0,7323 D) 4; 0, 4567
24 Uglerod (II) oksidi molekulasi tarkibidagi δ va π bog’lar sonini toping.
A) 1; 2 B) 1; 1 C) 2; 1 D) 2; 1
25 Azot (III) oksidi tarkibi azotning valentligi δ va π bog’lar sonini toping.
A) 1; 2 B) 3; 6 C) 2; 1 D) 1; 5
26 Azot (III) oksidining δ va π bog’lar sonini toping.
A) 1; 2 B) 3; 6 C) 2; 1 D) 1; 5
27 Xlor (IV) oksidi tarkibidagi xlorning massa ulushi va δ bog’lar sonini toping.
A) 0,3567; 2 B) 0,45; 4 C) 0,5 ;3 D) 0,8; 0,67
28 Azot (IV) oksidi tarkibidagi azotning massa ulushi va δ bog’lar sonini toping.
A) 0,23 ;2 B) 0.3043; 1 C) 0,333 ;4 D) 0,5;5
29 Xlor (I) oksidi tarkibidagi xlorning ekvivalent massasi va molekula tarkibidagi δ bog’lar sonini toping.
A) 28; 4 B) 35,5; 2 C) 17,75; 2 D) 35,5; 4
30 Xlor (I) oksidining ekvivalent massasi va molekula tarkibidagi δ bog’lar sonini toping.
A) 28; 4 B) 35,5; 2 C) 43,5; 2 D) 35,5; 4
31 Xlor (VI) oksidi tarkibidagi xlorning massa ulushi va valentliklarini hisoblang.
A) 0,23 ; 3 ;7 B) 0.68; 5; 7 C) 0.4251; 5; 7 D) 0,12 ; 3; 6
32 Sulfat angidridning ekvivalent massasi va δ bog’lar sonini toping.
A) 0,4 ; 3 B) 13,333; 3 C) 3,666 ;6 D) 5,79; 6
33 Sulfit angidrid tarkibidagi oltingugurt ekvivalent massasi va π bog’lar sonini toping.
A) 8 ; 3 B) 16; 3 C) 32 ;6 D) 16; 6
34 Sulfit angidridning ekvivalent massasi va π bog’lar sonini toping.
A) 8 ; 3 B) 16; 3 C) 32 ;6 D) 16; 6
35 Yod (VII) oksidi tarkibidagi yodning ekvivalent massasi va π bog’lar sonini toping.
A) 15 ; 3 B) 16; 3 C) 32 ;6 D) 18,1428 ; 6