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ANALIZA ASPIRINEI

Authored by M Diana

Chemistry

12th Grade

Used 7+ times

ANALIZA ASPIRINEI
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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

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