Element atomlarining boshqa elementlarning muayyan sondagi atomlarini biriktirib olish xususiyati
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NaNO3 ++++++++++++++++++++++++++++++++ Quyidagi kislotalardan qaysilarining ishqorlar bilan hosil qilgan tuzlari gidrolizga uchramaydi? 1) sulfit kislota; 2) xlorid kislota; 3) nitrat kislota; 4) sirka kislota. ============================== 1, 3 ============================== 2, 4 ================================ 1, 4 ================================= # 2, 3 ++++++++++++++++++++++++++++++++++++'>++++++++++++++++++++++++++++++++++++ Quyidagi birikmalardan ham kation, ham anion bo‘yicha gidrolizga uchraydiganlarini tanlang.1) natriy nitrat; 2) ammoniy karbonat;3) kaliy sulfit; 4) aluminiy sulfid;5) litiy xlorid; 6) natriy atsetat. ================================ 1, 3 =============================== 1, 5 ============================= 3, 6 ================================== # 2, 4 +++++++++++++++++++++++++++++++++++ X-2, Y+3, Z0 zarrachalari ikkitadan elektron chiqarsa, qanday zarracha holiga o‘tadi? =========================== # 0; +5; +2 ============================== 0; +1; -2 ================================ -4; +5; +2 =========================== -4; +1; -2 +++++++++++++++++++++++++++++ Xn→ X+2+4e- jarayondagi «n» ning qiymatini aniqlang. ================================= +6 ================================= # -2 ===================================='>==================================== -6 =================================== +2 +++++++++++++++++++++++++++++++++++++++++ CH(СH3)2СНСН2 + К2Сr2О7 + H2SO4→ → CH(CH3)2COOH + CO2 + ... + ... + ...Oksidlanish-qaytarilish reaksiyasini tugallang hamda chap tomondagi koeffitsiyentlar yig‘indisini aniqlang. ============================== # 28 =================================== 30 ================================== 39 =================================== 38 ++++++++++++++++++++++++++++++++++++++ C6H5CH2CH3+KMnO4 + H2SO4→Oksidlanish-qaytarilish reaksiyasini tugallang hamda chap tomondagi koeffitsiyentlar yig‘indisini aniqlang. =============================== # 35 ================================ 84 ================================== 50 ================================= 56 +++++++++++++++++++++++ C6H5CH(CH3)2+KMnO4 + H2SO4→ Oksidlanish-qaytarilish reaksiyasini tugallang hamda chap tomondagi koeffitsiyentlar yig‘indisini aniqlang. =============================== # 50 Download 97.79 Kb. Do'stlaringiz bilan baham: 
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