Alcani
Quiz
•
Chemistry
•
10th Grade
•
Practice Problem
•
Medium
NICULAE ANCA
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9 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alcanul cu 3 atomi de carbon se numește:
propan
butan
pentan
trian
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Omologul superior al butanului este:
propanul
metanul
etanul
pentanul
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Reprezintă formula unui alcan:
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Etanul are formula moleculară:
C2H4
C3H6
CH2
C2H6
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Este o proprietate fizică a alcanilor:
Sunt solubili în apă
Sunt buni combustibili, la ardere degajă o cantitate mare de căldură
Primii 4 alcani din seria omoloagă sunt gazoși la temperatură obișnuită
Alcanii lichizi au o densitate mai mare decât a apei
6.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Alcanul din imagine se numește:
2,2-dimetil-butan
2-metil-pentan
2-etil-2-metil-propan
3,3-dimetil-butan
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Izomerii sunt:
Alcani izoelectronici
Compuși organici cu aceeași formulă structurală dar cu formule moleculare diferite
Alcani ramificați
Compuși organici cu aceeași formulă moleculară dar cu formule structurale și proprietăți diferite
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