Karboksilne kiseline
Quiz
•
Chemistry
•
7th Grade
•
Hard
Danijela Gligorić
Used 21+ times
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11 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Označi funkcionalnu grupu karboksilnih kiselina
-OH
-COOH
-CHO
-CONH2
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Metanska kiselina ima formulu:
-COOH
HCOOH
CH3COOH
CH3CH2COOH
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Butanska (buterna) kiselina se:
dobro rastvara u vodi
slabo se rastvara u vodi
samo na temperaturi iznad 20˚C
4.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Za kiselinu koja ima 14C, i sve veze u ugljovodoničnom nizu su jednostruke što znači da je zasićen,a važe sledeće osobine:
tečnost
čvrsta supstanca
rastvara se u vodi
ne rastvara se u vodi
bez mirisa
5.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Karboksilna kiselina prikazana na slici ima naziv:
2-metilpentanska kiselina
5-metilheksanska kislelina
2-metilheksanska kiselina
5-metilheptanska kiselina
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Kiselina prikazana na slici je primer polikarboksilne kiseline ima naziv etandikiselina ili poznatija kao:
oksalna kiselina
sirćetna kiselina
mravlja kiselina
buterna kiselina
7.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
Na slici je prikazana reakcija:
dehidratacije etanola
oksidacije aldehida
metal + karboksilna kiselina
karboksilna kiselina + baza
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