Element atomlarining boshqa elementlarning muayyan sondagi atomlarini biriktirib olish xususiyati
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2, 3 =============================== 2, 4 ++++++++++++++++++++++++++++++++ 15ta proton va 12ta elektronga ega bo‘lgan zarracha 6ta elektron qabul qilib oldi. Hosil bo‘lgan zarrachaning oksidlanish darajasini aniqlang. =============================== -1 ============================== +2 ================================ # -3 =============================== +5 ++++++++++++++++++++++++++++++ Yuqori oksidlanish darajasi guruh raqamidan katta bo‘lgan elementlarni aniqlang. =========================== Ca, Hg =========================== # Сu, Au ========================= N, P ============================ O , F +++++++++++++++++++++++++++ Azotning oksidlanish darajasi mos ravishda +4, +5, -3 bo‘lgan modda (ion)lar qatorini belgilang. ================================ NO2-, Ca(NO3)2, NH3 ================================ # NO2, N2O5, NH3 ============================== NaNO2, NaNO3, N2O5 ================================= N2O3, HNO3, NO3- +++++++++++++++++++++++++++++++++ 3. Qaysi birikmalarda metallning oksidlanish darajasi + 2 ga teng? 1)MePO4; 2) МеНРО4; 3) (MeOH)2SO4 4) MeHSO4 =============================== 2, 4 =============================== 1, 3 ============================= 1, 4 =========================== # 2, 3 ++++++++++++++++++++++++++++++ Elektron konfiguratsiyasi 2, 8 , 18,1 bo‘lgan X kimyoviy elementning yuqori oksidlanish darajasini aniqlang. ============================= +4 ============================== +3 =============================== +1 =============================== # +2 +++++++++++++++++++++++++++++++ C2O42-; MnO4-;PO43- ionlaridagi C, Mn, P ning oksidlanish darajalarini aniqlang. ================================ + 6 , +7, +5 ===================================== # +3, +7, +5 ================================ +4, + 8, + 8 ================================== +3, + 6, +5 +++++++++++++++++++++++++++++++++ Qaysi javobda keltirilgan elementlarning yuqori oksidi tarkibidagi oksidlanish darajasi bir xil? ============================= Cl, Br, P В) P, S, Cl ==================================== Ca, Сu, Al ============================== # S, Cr, Se ++++++++++++++++++++++++++++++ Uglerodning valentligi IV, oksidlanish darajasi -4 bo‘lgan birikmani aniqlang. ============================ CF4 ============================ CO ============= ================ CH2Br2 ============================ # SiC ++++++++++++++++++++++++++++ 14. Quyidagilarning qaysilari oksidlanish jarayonini aks ettiradi? 1) СH3CHO->CH3COOH 2) СlO-→ Cl2 3) СH3CH2OH->CH3CHO 4) NO3-→NO. ============================= 1, 4 =============================== 2, 3 ============================= # 1, 3 Download 97.79 Kb. Do'stlaringiz bilan baham: |
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