Reactivul de grupă pentru grupa analitică I este:

Grupele analitice I,I,III

Quiz
•
Chemistry
•
11th - 12th Grade
•
Easy
Shosha Stein
Used 5+ times
FREE Resource
9 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
H2S
HCl
NaOH
H2SO4
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cationii grupei I sunt:
Ca2+, Sr2+, Ba2+
Hg2+, Sr2+, Al2+
Ag+, Pb2+, Hg22+
Cu2+, Sn2+, Pb2+, Ba2+
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reacția Tananaev este specifică pentru identificarea cationului:
Pb2+
Cu2+
Hg22+
Ag+
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cationul Pb2+ poate fi identificat în reacțiile comune a grupei analitice I prin reacția cu:
NaOH
KI
NH3
NH4OH
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cationii grupei II sunt:
Hg2+, Pb2+, Bi3+, Cu2+, Cd2+, As(III,V), Sb(III,V), Sn(II,IV)
Ca2+, Sr2+, Ba2+
Ag+, Pb2+,Hg2+
Co2+,Ni2+, Mn2+, Fe2+, Fe3+, Cr3+, Al3+, Zn2+
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cationul Pb2+ poate fi identificat în reacțiile caracteristice a grupei analitice I prin reacția cu:
KI
HCl
K2CrO4
H2SO4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reactivul de grupă pentru grupa analitică II este:
K2CrO4
H2S
KI
HCl
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reactivul de grupă pentru grupa analitică III este:
SnCl2
H2S
(NH4)S
KI
9.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cationii grupei III sunt:
Ca2+, Sr2+, Ba2+
Hg2+, Pb2+, Bi3+, Cu2+, Cd2+, As(III,V), Sb(III,V), Sn(II,IV)
Ag+, Pb2+,Hg2+
Co2+,Ni2+, Mn2+, Fe2+, Fe3+, Cr3+, Al3+, Zn2+
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