Test Alcani

Test Alcani

10th Grade

10 Qs

quiz-placeholder

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Test Alcani

Test Alcani

Assessment

Quiz

Chemistry

10th Grade

Practice Problem

Hard

Created by

Oana Ivan

Used 112+ times

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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

 25°C25\degree C  :

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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