Precizaţi care dintre afirmaţiile de mai jos sunt corecte

Alcooli

Quiz
•
Chemistry
•
1st - 10th Grade
•
Medium
Chimie ONLINE
Used 44+ times
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18 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Alcoolii au formula generală R-OH.
În alcooli, grupa hidroxil poate fi legată de catenă laterală a unei hidrocarburi aromatice.
Alcoolii sunt compuşi hidroxilici în care grupa funcţională OH este legată de un atom de carbon al nucleului benzenic hibridizat sp2.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Care dintre denumirile alcoolilor de mai jos sunt corecte?
CH3-OH, metanol
CH2=CH-CH2-OH, 1-propanol
HO-CH2-CH2-OH 1,3-propandiol
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alcoolul izopropilic este un alcool
Nesaturat
Secundar
Aromatic
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Glicerolul este un alcool:
Dihidroxilic
Terţiar
Saturat
5.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Care dintre următoarele afirmaţii referitoare la oxidarea alcoolilor sunt corecte?
Prin oxidarea blândă a alcoolilor primari se obţin cetone.
Oxidarea blândă a alcoolilor secundari duce la cetone.
Oxidarea energică a alcoolilor primari duce la acizi carboxilici.
6.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
În prezenţa acidului sulfuric, alcoolii pot reacţiona diferit, în funcţie de condiţiile de reacţie şi formează:
Esteri anorganici
Acizi sulfonici
Eteri
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Prin arderea metanolului se obţine:
Carbon şi apă
Dioxid de carbon şi apă
Hidrogen şi apă
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