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105. Alkan va noma’lum gaz aralashmasiga oid.

1. 10,24 g hajmi 4,92 litr (27⁰C, 1 atm) gazli aralashma propan va noma`lum gazdan tashkil topgan (noma`lum gazning hajmiy ulushi 60% tashkil etadi). Aralashma kaliy permanganatning suvli eritmasidan o`tkazilishi natijasida hosil bo`lgan cho`kma massasini va noma’lum gaz formulasini aniqlang.

A)eten ; 3,6gr B)buten ; 6,72gr C)propen ; 1,92gr D)buten ; 6,96gr
2. 19.8 g hajmi 14,76 litr (27⁰C, 1 atm) gazli aralashma etan va noma`lum gazdan tashkil topgan (noma`lum gazning hajmiy ulushi 25% tashkil etadi). Aralashma kaliy permanganatning suvli eritmasidan o`tkazilishi natijasida hosil bo`lgan cho`kma massasini va noma’lum gaz formulasini aniqlang.
A)izopenten ; 8,7gr B)etilen ; 21,75gr C) propen; 8,7gr D) asetilen ; 26,1gr
3. 7,1 g hajmi 4,89 litr (25⁰C, 1 atm) gazli aralashma butan va noma`lum gazdan tashkil topgan (alkanning hajmiy ulushi 25% tashkil etadi). Aralashma kaliy permanganatning suvli eritmasini rangsizlantiradi va cho`kma hosil qiladi. Cho`kmani massasini va noma’lum gaz formulasini aniqlang.
A)propen ; 3,915gr B)etilen ; 8,7gr C)butilen ; 13,05gr D)izopren ; 5,22gr
4. 12 g hajmi 7,26 litr (22⁰C, 1 atm) gazli aralashma butan va noma`lum gazdan tashkil topgan (noma`lum gazning hajmiy ulushi 60% tashkil etadi). Aralashma kaliy permanganatning suvli eritmasidan o`tkazilishi natijasida hosil bo`lgan cho`kma massasini va noma’lum gaz formulasini aniqlang.
A)butilen ; 5,22gr B)propilen ; 6,96gr C)eten ; 10,44gr D)pentilen ; 3,48gr
5. 23,94 g hajmi 17,22 litr (27⁰C, 1 atm) gazli aralashma botqoq gazi va noma`lum gazdan iborat (alkanning mol ulushi 30% ni tashkil etadi). Aralashma kaliy permanganatning suvli eritmasidan o`tkazilishi natijasida hosil bo`lgan cho`kma massasini va noma’lum gaz formulasini aniqlang.
A)etilen ; 1,74gr B)propilen ; 28,42gr C)pentilen ; 6,09gr D)butilen ; 10,44gr
6. 12 g hajmi 4,756 litr (17⁰C, 1 atm) gazli aralashma neopentan va noma`lum gazdan iborat (noma`lum gazning mol ulushi alkanning mol ulushidan 3 marta katta). Aralashma kaliy permanganatning suvli eritmasidan o`tkazilishi natijasida hosil bo`lgan cho`kma massasini va noma`lum gaz formulasini toping.
A)butilen ; 8,7gr B)etilen ; 17,4gr C)propilen ; 26,1gr D)neopentilen ; 34,8gr
7. 4,84 g hajmi 2,214 litr (-3⁰C, 1 atm) gazli aralashma butan va noma`lum gazdan iborat (noma`lum gazning hajmiy ulushi alkanning mol ulushidan 1,5 marta katta). Aralashma KMnO₄ ning suvli eritmasi orqali o`tkazilishi natijasida hosil bo`lgan cho`kma massasini va noma`lum gazning formulasini toping.
A)butilen ; 13,05gr B)etilen ; 4,35gr C)pentilen ; 17,4gr D)propen; 3,48gr
8. 11,84 g hajmi 9,84 litr (27⁰C, 1 atm) gazli aralashma etan va noma`lum gazdan iborat (noma`lum gazning hajmi umumiy hajmdan 5 marta kichik). Aralashma kaliy permanganatning suvli eritmasidan o`tkazilganda qancha massadagi cho`kma hosil bo`ldi. Noma`lum gazni formulasini toping.
A) propen ; 6,09gr B) butilen ; 5,22gr C)eten ; 4,64gr D)neopenten ; 3,04gr
9. 7,32 g hajmi 4,305 litr (77⁰C, 1 atm) gazli aralashma propan va noma`lum gazdan iborat (noma`lum gazning hajmiy ulushi umumiy aralashma hajmidan 2,5 marta kichik). Aralashma kaliy permanganatning suvli eritmasidan o`tkazilishi natijasida hosil bo`lgan cho`kma massasini va noma`lum gaz formulasini toping.
A)butilen ; 3,48gr B)etilen ; 0,87gr C)izobutilen ; 6,96gr D)butilen; 1,74gr
10. 43 g hajmi 24,6 litr (27⁰C, 1 atm) gazli aralashma etan va noma`lum gazdan iborat (noma`lum gazning mol ulushi alkanning hajmiy ulushiga teng). Aralashma kaliy permanganatning suvli eritmasidan o`tkazilishi natijasida hosil bo`lgan cho`kma massasini va noma`lum gaz formulasini toping.
A)propilen ; 31,9gr B)izobutilen ; 29gr C)neopenten ; 23,2gr D)etilen ; 46,4gr