
Сера и её соединения

Quiz
•
Chemistry
•
9th Grade
•
Hard
Гузаль Тохтимухаиедова
Used 1+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Сколько неспаренных электронов у атома углерода в основном состоянии?
a) 2
b) 3
c) 4
d) 0
a) 2
b) 3
c) 4
d) 0
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какая электронная конфигурация атома углерода в возбуждённом состоянии?
a) 1s²2s²2p²
b) 1s²2s¹2p³
c) 1s²2s²2p³
d) 1s²2s¹2p²
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какая гибридизация у атома углерода в метане (CH₄)?
a) sp³
b) sp²
c) sp
d) нет гибридизации
a) sp³
b) sp²
c) sp
d) нет гибридизации
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Угол между связями C–H в молекуле метана равен:
a) 180°
b) 120°
c) 109,5°
d) 90°
a) 180°
b) 120°
c) 109,5°
d) 90°
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какая гибридизация соответствует молекуле этилена (C₂H₄)?
a) sp³
b) sp²
c) sp
d) смешанная
a) sp³
b) sp²
c) sp
d) смешанная
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Какая связь образуется за счёт бокового перекрывания p-орбиталей?
a) σ-связь
b) π-связь
c) водородная
d) ионная
a) σ-связь
b) π-связь
c) водородная
d) ионная
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
В молекуле ацетилена (C₂H₂) атомы углерода находятся в состоянии гибридизации:
a) sp³
b) sp²
c) sp
d) отсутствует гибридизация
a) sp³
b) sp²
c) sp
d) отсутствует гибридизация
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