Hidrocarburile nesaturate
Quiz
•
Chemistry
•
11th Grade
•
Medium
Lucia Aculov
Used 56+ times
FREE Resource
14 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Formula generală a alchinelor este:
H2SO4
CnH2n
CnH2n-2
CnH2n+2
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hidrocarburile nesaturate aciclice, a căror moleculă conţine o dublă legătură
–C=C– şi au formula generală CnH2n, unde n – 2,3,4 etc., se numesc...
acizi
alcani
alchene
cicloalcani
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
În industrie etena se obține din.....
produși anorganici
gaze inerte
motorină
gazele de cracare a petrolului
4.
OPEN ENDED QUESTION
30 sec • 1 pt
Produse obţinute prin chimizarea etenei, Schema 2.3., pag.73
(manual de Chimie, cl. a IX-a)
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5.
OPEN ENDED QUESTION
30 sec • 1 pt
Notează prin A afirmaţia adevărată şi prin F afirmaţia falsă:
a) Hidrocarburile ce conţin în moleculă o dublă legăturăse numesc alchene.
b) Alchenele participă doar la reacţii de adiţie.
c) Etena decolorează apa de brom.
d) *Adiţia hidracizilor la alchene nesimetrice decurge
conform regulii lui Markovnikov.
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6.
OPEN ENDED QUESTION
1 min • 1 pt
Completează spaţiile libere în afirmaţiile:
a) Adiţia clorurii de hidrogen la alchene nesimetrice decurge conform regulii
....................... şi hidrogenul adiţionează la carbonul mai ................ .
b) Alchenele trec în alcani prin reacţii de ......................... .
c) *În molecula de etenă legăturile σ[C – C şi C – H] se află într-un plan sub
un unghi ........, iar legătura π într-un plan ..................... .
d) Pentru alchene sunt caracteristice tipurile de izomerie ................... .
e) Reacţia de identificare a alchenelor este............................ .
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7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Hidrocarburile aciclice nesaturate, ale căror molecule conţin două duble
legături
şi au formula generală CnH2n-2, unde n = 3,4,5 etc., se numesc.....
Alcani
Alchine
Alchene
Alcadiene(diene)
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