Este formula unei alchene?
Alcani, Alchene, Alchine

Quiz
•
Chemistry
•
10th Grade
•
Hard
Gina Taragan
Used 29+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
C2H2
C3H8
C5H10
C5H12
2.
MULTIPLE CHOICE QUESTION
10 sec • 1 pt
Este corecta afirmatia?
alcanii sunt solubili in apa
butena are punctul de fierbere mai mare decat butanul
1 -butina este izomera de catena cu 2-butina
alchenele au geometrie trigonala
3.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Nu sunt corecte afirmatiile:
prin ardere alcanii formeaza CO si H2
alchenele dau reactii de aditie cu brom
prin polimerizarea clorurii de vinil obtinem fibra melana
etena se poate obtine din carbid
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
Este corecta reactia:
CH4 + O2 CO2 + 2H2
CH2=CH2 + HCl CH3- CH2-Cl
CH CH + HCN CH2=CN + H2
CH4 + HCl CH3-Cl + 1/2 H2
5.
FILL IN THE BLANK QUESTION
20 sec • 1 pt
Alcanii sunt hidrocarburi ...........cu formula generala .......
6.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Sunt corecte afirmatiile?
metanul are miros neplacut
alchenele nu au miros si culoare
acetilena este foarte solubila in acetona
alcanii ramificati au pf mai mari decat cei liniari
7.
MULTIPLE SELECT QUESTION
10 sec • 1 pt
Sunt corecte afirmatiile?
unghiul dintre legaturi in alcani este de 109028i
geometria alchinelor este tetraedrica
lungimea legaturii C=C este de 1,54 A
lungimea legaturii C-H in alchine este de 1,06 A
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