ALCANI
Quiz
•
Chemistry
•
1st Grade
•
Easy
T Eva
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25 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Formula generală a alcanilor este:
CnH2n
CnH2n+2
CnH2n-2
CnH2n-4
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Alcanul cu 7 atomi de carbon şi catenă ramificată se numeşte:
izoheptan
normal – heptan
neo – heptan
terţ – heptan
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Radicalul divalent geminal al propanului, la carbonul secundar se numeşte:
propil
izopropil
propilen
izopropiliden
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Care din denumirea alcanilor de mai jos este incorectă:
4-etil-2-metil-heptan
4-etil-3,3-dimetil-pentan
2-izopropil-3-metil-hexan
3,5-dimetil-octan
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Alcanii pot prezenta următoarele tipuri de izomerie:
izomerie de poziţie
izomerie de funcţiune
izomerie geometrică
izomerie de catenă
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Care din afirmaţiile de mai jos, legate de starea de agregare a alcanilor la temperatiură şi presiune normale sunt adevărate:
starea de agregare a alcanilor cu mai puţin de 4 atomi de carbon este gazoasă
starea de agregare a alcanilor cu mai puţin de 4 atomi de carbon este lichidă
starea de agregare a alcanilor cu peste 16 atomi de carbon este solidă
starea de agregare a tuturor alcanilor este gazoasă
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Alcanul cu 6 atomi de carbon prezintă următorul număr de izomeri:
2 izomeri
3 izomeri
4 izomeri
5 izomeri
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