
ANALIZA ASPIRINEI
Quiz
•
Chemistry
•
12th Grade
•
Practice Problem
•
Hard
M Diana
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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Formula aspirinei este urmatoarea:
C6H5(OOCCH3)CO2H
C6H4(OOCC2H5)CO2H
C6H4(OOCCH3)CO2H
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Acidul orto-acetilsalicilic se fabrica prin acetilarea acidului salicilic cu:
anhidrida acetica
clorura de acetil
etena
cetena
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Procesul tehnologic de obtinere a aspirinei porneste de la materia prima:
benzen
alcool etilic
fenol
naftalina
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Alegeti operatiile care fac parte fin fluxul tehnologic de obtinere a aspirinei prin sinteza Kolbe-Schmidt:
acetilare
titrare
cernere
centrifugare
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Analiza calitativa a aspirinei pune in evidenta prezenta acestei prin formarea unui acid cu mirps specific:
aromatic
sulfuros
intepator
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Titrantul utilizat la analiza cantitativa a unei probe de analiza de aspirina este:
solutia de acid oxalic
solutia de acid sulfuric
solutia de hidroxid de sodiu
solutia de piridina
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Acidul salicilic este acetilat cu anhidrida acetica in prezenta unei baze organice
acetat de sodiu
benzoat de sodiu
piridina
acetat de sodiu
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Aspirina este foarte putin stabila in prezenta:
acidului clorhidric
hidroxidului de potasiu
alcoolului
apei
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