
Test Alcani

Quiz
•
Chemistry
•
10th Grade
•
Hard

Oana Ivan
Used 108+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Izomerul hidrocarburii saturate C6H14 care contine un singur atom de carbon cuaternar este :
n.hexan
2 -metil pentan
2,3 dimetil butan
2,2 dimetil butan
3 metil pentan
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Reactiile care au loc cu desfacerea legaturii C-H sunt:
dehidrogenarile
cracarile
substitutiile
izomerizarile
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Alcanul care in reactia de ardere consuma 8 moli de O2 la 1 mol de alcan este:
propan
butan
etan
pentan
hexan
4.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Se dehidrogeneaza 4 moli de etan cu un randament de 80%.Amestecul de gaze obtinut:
este format din etena si hidrogen
are densitatea in raport cu aerul 0,576
este mai greu decat aerul
are o masa moleculara medie de 16,66
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Se gasesc in stare gazoasa la temperatura camerei
:hexan
metan
neopentan
etan
butan
6.
FILL IN THE BLANK QUESTION
5 mins • 1 pt
Volum de aer care contine 20% O2,folosit la arderea a 11,6 g alcan,stiind ca s-au obtinut 18 g H2O:
Mase atomice C=12,O=16,H=1
7.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
Un volum de 336 litri(c.n) de metan este supus clorurarii.In urma reactiei se obtine monoclorometan,diclorometan si metan nereactionat in raport molar de 3:2:1.Masa de diclorometan rezultata este :
Mase atomiceC=12,H=1,Cl=35,5,Volum molar =22,4 l
425 Kg
212,5 g
912,5 g
425 g
212,5 Kg
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