
Alcooli
Authored by Mariana Rută
Chemistry
11th Grade
Used 5+ times

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30 questions
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1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Alcoolii sunt substante organice care
contin grupa -OH legata de nucleu aromatic
contin grupa -OH legata de un atom de carbon saturat
fac parte din categoria compusilor cu functiuni mixte
fac parte din categoria compusilor cu functiuni simple
2.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Formula generală a alcoolilor monohidroxilici, alifatici , saturați este :
CnH2n+2O
CnH2n+1O
CnH2nO
CnH2nO2
3.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Glicerina este un alcool
monohidroxilic
polihidroxilic
alifatic saturat
cu gust dulce
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
La arderea a 4 moli metanol au rezultat :
4 moli CO2
1 mol CO2
5 moli H2O
8 moli H2O
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Alcoolul benzilic este
alcool primar
alcool aromatic
alcool tertiar
alcool alifatic
6.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Precizaţi care dintre afirmaţiile de mai jos sunt corecte.
După numărul grupelor hidroxil din moleculă, alcoolii sunt monohidroxilici şi polihidroxilici.
Alcoolii saturaţi sunt izomeri de funcţiune cu eterii
Alcoolii saturaţi sunt izomeri de funcţiune cu acizii carboxilici.
Alcoolii prezintă izomerie de catenă şi de poziţie..
7.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Care dintre denumirile alcoolilor de mai jos sunt corecte?
CH3-OH, metanol
CH2=CH-CH2-OH, 1-propanol
CH3-CH2-CH2-CH2-OH, 2-butanol
HO-CH2-CH2-OH 1,2-etandiol
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