
Introducere în studiul chimiei organice
Authored by T Eva
Chemistry
1st Grade
Used 72+ times

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25 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Termenul de chimie organică a fost introdus de către:
P. Poni
J.J. Berzelius
F. Wöhler
D. Mendeleev
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Prima substanţă organică obţinută prin sinteză chimică în laborator a fost:
carbidul
acetilena
urea
cianatul de amoniu
3.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Elementele organogene sunt:
toate nemetalele
doar carbonul, hidrogenul, oxigenul şi azotul
toate elementele care intră în structura compuşilor organici
orice element chimic cu excepţia metalelor tranziţionale
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Care dintre formulele moleculare de mai jos sunt corecte:
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Care dintre formulele moleculare de mai jos sunt corecte:
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Care dintre afirmaţiile de mai jos referitoare la legătura covalentă sunt adevărate:
pot fi legături triple, formate din două legături sigma (σ) şi o legătură pi (π)
legătura σ se formează prin întrepătrunderea totală a doi orbitali coaxiali, fiecare aparţinând unui atom
atomul de oxigen poate forma doar legături simple σ
atomul de azot poate forma legături simple, duble sau triple
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Care dintre afirmaţiile de mai jos sunt corecte:
atomii de carbon din structura compuşilor organici îşi formează octetul prin acceptarea a 4 electroni
legăturile covalente simple sunt orientate în spaţiu după vârfurile unui tetraedru regulat
orice compus organic conţine cel puţin un atom de carbon
atomul de carbon are capacitatea de a forma catene
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