Vi bob elektrolitik dissotsilanish

14.100 gr 60 % li oleum eritmasiga necha gramm suv qo’shilganda 14.14 % li oleum eritmasi hosil bo’ladi. A) 45,4 B) 10 C) 11,1 D) 25,3


15.100 gr 60 % li oleum eritmasiga 10 gramm suv qo’shilganda hosil bo’lgan oleum tarkibini aniqlang. A)H₂SO₄• 0.2 SO₃ B) H₂SO₄*0,5SO₃
C) H₂SO₄*0,3SO₃ D) H₂SO₄*0,2SO₃


16.60 % li oleum eritmasiga 10 gramm suv qo’shilganda 14.14 % li oleum eritmasi hosil bo’lsa hosil bo’lgan oleum tarkibini aniqlang.
A)H₂SO₄• 0.2 SO₃ B) H₂SO₄*0,5SO₃
C) H₂SO₄*0,3SO₃ D) H₂SO₄*0,2SO₃


17.60 % li oleum eritmasiga 10 gramm suv qo’shilganda 14.14 % li oleum eritmasi hosil bo’lsa hosil bo’lgan oleum massasini grammda hisoblang.
A) 45,4 B) 100 C) 111 D) 55,5


18.60 % li oleum eritmasiga 10 gramm suv qo’shilganda H₂SO₄• 0.2 SO₃ tarkibli oleum eritmasi hosil bo’lsa boshlang’ich oleum eritmasi massasini grammda hisoblang.
A) 110 B) 100 C) 112 D) 55,5


19.Oleum tarkibida oltingugurtning massa ulushi
35,96% bo‘lsa, oleum formulasini toping.
A) H₂SO₄ * SO₃ B) H₂SO₄ * 0, 5SO₃
C) H₂SO₄ * 2SO₃ D) H₂SO₄* 3SO₃


20.Oleum tarkibida kislorodning massa ulushi
62,92% bo‘lsa, oleumning formulasini toping.
A) H₂SO₄ * SO₃ B) H₂SO₄* 0, 5SO₃
C) H₂SO₄* 2SO₃ D) H₂SO₄ * 3SO₃


21.Tarkibida 34,78% (massa bo‘yicha) oltingugurt
saqlagan oleum formulasini toping.
A) H₂SO₄ * SO₃ B) H₂SO₄* 0, 5SO₃
C) H₂SO₄ * 2SO₃ D) H₂SO₄ * 3SO₃
22. Oleum tarkibida oltingugurtning massa ulushi
37,87% bo‘lsa, oleum formulasini toping.
A) H₂SO₄ * SO₃ B) H₂SO₄ * 0, 5SO₃
C) H₂SO₄ * 2SO₃ D) H₂SO₄ * 3SO₃


23.Tarkibida 61,54% (massa bo‘yicha) kislorod
saqlagan oleum formulasini toping.
A) H₂SO₄ * SO₃ B) H₂SO₄ * 0, 5SO₃
C) H₂SO₄ * 2SO₃ D) H₂SO₄ * 3SO₃
24.54 g pirit oksidlanishidan (reaksiya unumi 75%)
olingan oltingugurt (IV) oksid yana oksidlandi
(reaksiya unumi 80%). Hosil bo’lgan moddadan
100% unum bilan H₂SO₄ * nSO₃ tarkibli oleum
olindi. Agar oleum massasi dastlabki modda
massasidan 5,4 g ga kam bo’lsa, oleumni
formulasini toping.
A) H₂SO₄ * 0, 8SO₃ B) H₂SO₄ * 0, 4SO₃
C) H₂SO₄ * 0, 6SO₃ D) H₂SO₄ * 0, 3SO₃


25.Pirit oksidlanishidan (reaksiya unumi 75%)
olingan oltingugurt (IV) oksid yana oksidlandi
(reaksiya unumi 80%). Hosil bo’lgan moddadan
100% unum bilan H₂SO₄ * 0,8SO₃ tarkibli oleum
olindi. Agar oleum massasi dastlabki modda
massasidan 5,4 g ga kam bo’lsa, piritni massasini
(g) toping. A) 54 B) 46 C) 48,6 D) 49,4


26.55,6 ml 91% li (p=1,799 g/ml) H₂SO₄ eritmasiga
SO₃ qo‘shib, tarkibida 63,72% kislorod tutgan
oleum olingan. Eritmaga qo‘shilgan SO₃ massasi
(g) va oleumning massasini ulushini (%) toping.
A)100; 30 B)40; 31,4 C)60; 12,5 D)120; 36,36


27. Ma’lum miqdordagi oleumni to‘liq neytrallash
uchun 32% li NaOH eritmasi sarflanganda
41,76% li eritma hosil bo‘lsa, oleumning tarkibini
aniqlang.
A) H2SO4 * 0, 8SO₃ B) H2SO4 * 1, 6 SO₃
C) H2SO4 * 0, 7 SO₃ D) H2SO4 * 0, 4 SO₃


28. 0.55 mol xH₂SO₄*ySO₃ tarkibli oleumni tola neytrallash uchun 30% li NaOH eritmasidan sarflandi. Hosil bo`lgan eritmadagi tuzning massa ulushi 40% bo’lsa, reaksiya uchun olingan oleumning massasini aniqlang. A)198 B) 194 C)48.5 D) 114
29. 0.55 mol xH₂SO₄*ySO₃ tarkibli oleumni tola neytrallash uchun 10 M li (p=1.344g/ml) NaOH eritmasidan sarflandi. Hosil bo`lgan eritmaning massasi 195.25 gr bo`lsa, oleum tarkibidagi (SO₃) ni (%) aniqlang. A)71 B) 61 C) 73.8 D) 41.1
30. Pirit oksidlanishidan (reaksiya unumi 66,7%) olingan oltingugurt olti oksid yana oksidlandi (reaksiya unumi 75%). Xosil bo`lgan moddadan 80% unum bilan H<sub>2</sub>SO<sub>4</sub> *0,2SO<sub>3</sub> tarkibli oleum olindi. Agar oleumning massasi daslabki modda massasidan 66 gr ga kam bo`lsa, Pirit massasini (gr) aniqlang.
A)180 B) 120 C) 240 D) 90