
TEST ADMITERE ALCANI ALCHENE

Quiz
•
Chemistry
•
1st - 2nd Grade
•
Hard
Ionela Badea
Used 45+ times
FREE Resource
Student preview

20 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Alchena cu C7H14 contine un atom de carbon cuaternar, 2 atomi de C tertiari si 4 atomi de C primari. Formula alchenei este:
3,3-dimetil-1-pentena;
3-metil-2-hexena;
3,4-dimetil-2-pentena
2-metil-2-pentena
4,4-dimetil-1-pentena
2.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Care este numarul minim de atomi de C ai unui alcan pentru ca in urma cracarii sa rezulte si butena?
7
5
6
8
4
3.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Care dintre urmatoarele alchene nu contin atomi de carbon in doua stari de hibridizare:
1-butena
propena
etena
2-butena
izobutena
4.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
In cazul alcanilor nu se intalneste reactia:
substitutie
oxidare
izomerizare
aditie
alt raspuns
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Radicalul divalent al metanului se numeste:
metil
metin
metilen
metanoat
metanil
6.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Alege afirmatia corecta:
legatura dubla este formata din doua legaturi π
legatura de tip π se formeaza prin intrepatrunderea orbitalilor de tip sp2
orbitalii de tip sp2 au geometrie tetraedrica
legatura tripla este formata dintr-o legatura σ si doua legaturi π
atomul de C implicat intr-o legatura tripla are doar doi orbitali de tip sp.
7.
MULTIPLE SELECT QUESTION
5 mins • 1 pt
Alegeti afirmatia corecta referitoare la compusul cu formula moleculara C8H12N2O2 :
are NE=1
este o hidrocarbura
nu prezinta grupe functionale in molecula
raportul atomic C:H:N:O este 4:6:1:2
prezinta 19,05% oxigen in molecula
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