
ALCHENE
Authored by T Eva
Chemistry
1st Grade
Used 63+ times

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25 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Formula generală a alchenelor este:
CnH2n+2
CnH2n-2
CnH2n
CnH2n-4
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Alchenele pot prezenta următoarele tipuri de izomerie:
Izomerie de catenă
Izomerie de poziţie
Izomerie geometrică
Izomerie de funcţiune cu cicloalcanii
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Care este reacţia care stă la baza obţinerii alchenelor din derivaţi halogenaţi?
reacţia cu KOH în soluţie apoasă
reacţia Friedel-Crafts
reacţia cu KOH în soluţie alcoolică
reacţia cu amoniac
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Care este alchena care prin oxidare energică formează numai acid izobutiric?
2,5-dimetil-3-hexena
2,3-dimetil-3-hexena
2-metil-2-heptena
2-octena
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Alchenele cu 5 atomi de carbon prezintă:
3 izomeri
4 izomeri
5 izomeri
6 izomeri
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Reacţiile caracteristice alchenelor sunt:
reacţia de substituţie
reacţia de oxidare
reacţia de adiţie
reacţia de descompunere termică
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Câţi izomeri prezintă hidrocarbura cu formula moleculară C4H8?
3 izomeri
4 izomeri
5 izomeri
6 izomeri
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