
TEST ACIZI CARBOXILICI
Quiz
•
Chemistry
•
1st - 12th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Acizii carboxilici au una dintre urmatoarele proprietati:
toti reactioneaza cu derivatii halogenati si formeaza cloruri acide
numai cei monicarboxilici reactioneaza cu acizii anorganici si formeaza anhidride
cei dicarboxilici reactioneaza cu amoniacul la una sau ambele grupe carboxil
cei dicarboxilici reactioneaza cu alcoolii numai la o singura grupa carboxil
2.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Acidul acetic:
in amestec cu anhidrida acetica acetileaza la acidul o-hidroxibenzoic
aditioneaza acidul cianhidric si formeaza acetonitrilul
reactioneaza cu anhidrida acetica si formeaza acetatul de etil
se obtine sintetic prin oxidarea acetonei
3.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Prin ce se diferentiaza acidul formic de acidul acetic?
prin formarea de esteri
prin formarea de amide
prin caracterul reducator al acidului formic
prin reactia cu bazele
4.
MULTIPLE SELECT QUESTION
3 mins • 1 pt
La tratarea acidului acetic cu zinc metalic are loc:
formarea unei sari si degajarea unui gaz colorat
formarea sarii C2H3O2Zn si degajarea de hidrogen
formarea sarii C4H6O4Zn si degajarea de hidrogen
formarea sarii C2H3O2Zn si a hidroxidului de zinc
5.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Reactia dintre un acid si un alcool, numita si reactie de esterificare, poate fi considerata ca o reactie de:
alchilare
aditie
acilare
reducere
6.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Care dintre afirmatiile de mai jos este corecta?
alcoolii au aciditate mai mare decat fenolii
fenolul are aciditate mai mare decat acizii dicarboxilici
fenolul are aciditate mai mica decat acidul carbonic
acidul formic are aciditate mai mica decat fenolul
7.
MULTIPLE SELECT QUESTION
1 min • 1 pt
Grasimile sunt:
sunt amestecuri de gliceride mixte cu temperaturi fixe de topire
provenite din acizi grasi nesaturati sunt lichide
sunt solubile in apa calda
sunt esteri ai acizilor grasi cu alcooli monohidroxilici
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