
Test alchene XP
Authored by Marta Toth
Chemistry
10th Grade
Used 18+ times

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10 questions
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1.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Alchenele sunt
hidrocarburi ciclice saturate care conțin legături duble
hidrocarburi aciclice nesaturate care conțin pe lângă legături simple C-H și C-C și o singură legătură dublă C=C
substanțe organice care conțin toate elementele organogene
hidrocarburi aciclice nesaturate ce conțin un număr oarecare de legături duble C=C
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
CnH2n+2
Reprezintă formula generală a alchenelor
Nu reprezintă formula unei alchene
Este formula unei izoalchene
Este o formulă generală necunoscută de noi
3.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Etena, propena, butena, pentena, hexena
Sunt substanțe izomere
Reprezintă o serie omoloagă din clasa alchenelor
Sunt izomeri de catenă
Sunt izomeri de poziție
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Legătura dublă C=C este formată din
Două legături simple
Două legături sigma
Două legături pi
O legătură sigma și una pi
5.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Formula structurală CH3-CH2-CH2-CH=CH-CH3 corespunde substanței
Hexan
2-hexenă
3-hexenă
4-hexenă
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Bifează produsul reacției:
CH3-CH=CH-CH3+H2
CH3-CH-CH-CH3
CH3-CH2-CH2-CH3
CH3-CH2=CH2-CH3
CH3-CH3-CH3-CH3
7.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Din care din următoarele alchene rezultă
CH3-CH2-CHCl-CH2Cl prin reacție de adiție
CH3-CH=CH-CH3
CH3-CH=CH2
CH3-CH2-CH=CH2
2 moli CH2=CH2
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