10. Cu(NO3)2∙3H2O tarkibida qanday bog’lar mavjud?
1) qutbli kovalent; 2) qutbsiz kovalent; 3) donor-akseptor; 4) vodorod; 5) metall; 6) ion.
A) 1,3,4,6 B) 1,3,4,5,6 C) 1,2,3,4,6 D) 1,3,6
1) qutbli kovalent; 2) qutbsiz kovalent; 3) donor-akseptor; 4) vodorod; 5) metall; 6) ion.
A) 1,3,4,6 B) 1,3,4,5,6 C) 1,2,3,4,6 D) 1,3,6
11. Xlorat kislota molekulasidagi taqsimlanmagan juft elektronlar sonini ko’rsating.
A) 5 B) 8 C) 6 D) 7
A) 5 B) 8 C) 6 D) 7
12. Qutbli kovalent bog’lanishga ega, atom kristall panjarali moddani ko’rsating.
A) SiO2 B) CO2 C) NH3 D) Ge
A) SiO2 B) CO2 C) NH3 D) Ge
13.Quyidagi molekulalarni ularning tarkibidagi qutbsiz kovalent bog’lar soni kamayib borish tartibida joylashtiring.
1) H3PO2; 2) H3PO3; 3) K2O4; 4) KMnO4
A) 3,1,2,4 B) 2,3,1,4 C) 4,2,3,1 D) 4,2,1,3
1) H3PO2; 2) H3PO3; 3) K2O4; 4) KMnO4
A) 3,1,2,4 B) 2,3,1,4 C) 4,2,3,1 D) 4,2,1,3
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14.S+6 zarrachasi birikmalarda qanday bog’lanish hosil qilishi mumkin?
1) ion; 2) qutbli kovalent; 3) qutbsiz kovalent
A) faqat 2 B) 1, 3 C) 1, 2 D) faqat 1
1) ion; 2) qutbli kovalent; 3) qutbsiz kovalent
A) faqat 2 B) 1, 3 C) 1, 2 D) faqat 1
15.Karbonat kislota, natriy xromat va kalsiy asetat molekulalari tarkibidagi σ bog’lar yig’indisini hisoblang.
A) 27 B) 25 C) 30 D) 32
A) 27 B) 25 C) 30 D) 32
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XimFaktor Kimyo || Omadbek Qahramonov
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Barcha Kimyo va Biologiya kanallar bir joyda ...
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