
Derivați halogenați
Quiz
•
Chemistry
•
1st Grade
•
Practice Problem
•
Hard
Angelica Chachula
Used 1+ times
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Formula generală a derivaților halogenați este
R-H
R-NH2
R-X
R-COOH
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Prin clorurarea fotochimică a metanului, CH4, în exces de clor, prin substituirea atomilor de H, se pot obține .........derivați halogenați diferiți
1
2
3
4
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Denumirea de clorură de etil (utilizată ca anestezic local, kelen) se atribuie substanței cu formula.....
CH3Cl
CH3-CH2-CH2Cl
C6H5Cl
CH3-CH2Cl
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Derivatul fluorurat din imagine se denumește:
1,1,1,1 - tetrafluoroetena
1,1,2,2 - tetrafluoroetan
1,1,2,2 - tetrafluoroetenă
1,2 - tetrafluoroetenă
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Prin polimerizarea unuia dintre derivații halogenați de mai jos se poate obține PVC:
CHF=CHF (1,2-difluoroetenă)
CH2=CHCl (clorura de vinil)
C6H5-Cl (clorbenzen)
Cl-CH=CH-Cl (1,2- dicloroetenă)
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Triclorometanul sau cloroformul, utilizat ca anestezic din 1848, are formula:
CH3Cl
CH2Cl2
CCl4
CHCl3
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Freonii sunt utilizați ca/pentru .....
agenți frigorifici
stingerea incendiilor
obținerea teflonului
insecticide
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