10- sinflar uchun test. I – Variant

10. Alkenlarningumumiyyonishtenglamasida H₂O oldidagikoefitsentni toping.

A)n B)2n C)1,5n D)1,5n-1

11. Butanva buten-2 daniborat 5,28 g aralashma 10% li 32 g bromeritmasinirangsizlantiradi.Aralashmadagibutanningmassasini (g) hisoblang

A)4,16 В)3,75 С)4,43 D)3,89

12. 32,4 gr divinil bromlanganda (bromni birikishi)1,2-birikish,1,4-birikish,1,2,3,4-birikishlar 1:3:2 mol nisbatda hosil bo’lsa,reaksiyada ishtirok etgan brom massasini va hosil bo’lgan 1,4-birikishli maxsulot massasini gr toping.

A)128;64,2 B)160;21,4 C)25,6;21,4 D)192;149,6

13. Ajratilgan diyen uglevodorodlarni ko’rsating.

1)CH₂CHCHCH₂ 2)CH₂CHCH₂CHCH₂ 3)CH₂C(CH₃)CH₂CHCH₂ 4)CH₂CCH₂ 5)CH₂CHCHCHCH₃ 6)CH₂CCHCH₃

A)2,3 B)1,5 C)4,6 D)2,3,5

14. 33,2 gr C₄H₈ va C₄H₆ dan iborat aralashmani to’la gidrogenlash uchun 48,16∙10²² ta H₂ sarflandi.Dastlabki aralashmadagi moddalarning hajmiy ulushlari nisbatini toping.

A)1:1 B)2:1 C)1,5:1 D)2:4

15. Diyenlarni sistematik nomlashda alkanlardagi “…..” harfini o’rniga “…..”qo’shimchasini qo’shib nomlanadi.nuqtalar o’rniga tegishli so’zlarni qo’ying.

1)-an 2)-en 3)-diyen 4)-n 5)-iyen

A)1,3 B)2,5 C)4,3 D)3,4