
АНЕЛЯ ЛЕТНИК ЧАСТЬ 3
Authored by anelka undefined
Chemistry
University
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47 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Константа гидролиза соли CuSO4
Kh= K_w / K_b
Kh= K_H2O / K_a
Kh= K_H2O/ K_s
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Степень гидролиза соли, которая гидролизуется по аниону, определяется по формуле:
h= под корнем K_w / K_aC_s
h= под корнем K_w / K_a+ C_s
h= под корнем K_w / K_bC_s
h= под корнем K_w / K_b+C_s
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Соль, не подвергающаяся гидролизу
Соль сильного основания и сильной кислоты
Соль слабой кислоты и сильного основания
Соль сильной кислоты и слабого основания
Соль слабой кислоты и слабого основания
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какая из перечисленных солей подвергается гидролизу?
ZnCl2
K2SO4
NaNO3
KNO3
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Условия образования осадка иодида свинца
(Pb2+)(I-)"2>Ks
(Pb2+)(2I-)>Ks
(Pb2+)(I-)"2=Ks
(Pb2+)(2I-)<Ks
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Условия растворения осадка иодида свинца
(Pb2+)(I-)"2<Ks
(Pb2+)(I-)"2>Ks
(Pb2+)(I-)"2=Ks
(Pb2+)(2I-)<Ks
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Константа (произведение) растворимости осадка гидроксида железа (II)
Ks(Fe(OH)2)=[Fe2+][OH- ]"2
Ks(Fe(OH)2)=[Fe2+]+[2OH- ]
Ks(Fe(OH)2)=[Fe2+]/[OH- ]"2
Ks(Fe(OH)2)=[Fe2+] [2OH- ]
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