
Chemické otázky
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University
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Hard
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76 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Slouenina s tímto vzorcem se nazývá:
2-ethylbutan
3-methylpentan
2-methylpentan
3-ethylbutan
2.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Které z následujících názvů oznaují tentýž uhlovodík?
isopren
2-methyl-buta-1,2-dien
2-methyl-buta-1,3-dien
penta-1,3-dien
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Slouenina s tímto vzorcem se nazývá:
1,1,1-trimethyl-3,3-diethylpropan
4-ethyl-2,2,3,3-tetramethylhexan
3-ethyl-4-dimethyl-5-trimethylpentan
2,2,3,3-tetramethyl-4,4-diethylbutan
4.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Uhlovodík s tímto vzorcem se nazývá:
isopentan
isobutan
3-methylbutan
2-methylbutan
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Jakého typu jsou reakce bromu s C2H6 a s C3H6 ?
V obou případech jde o substituci.
V obou případech jde o adici.
Jde o substituci a adici.
Jde o eliminaci.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Obecný homologický vzorec uhlovodíků Cn H2n+2 platí pro:
alkany
alkeny
alkyny
areny
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Kolik vazeb σ obsahuje molekula ethanu?
šest
žádnou
tři
sedm
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