
ALCANI
Presentation
•
Chemistry
•
10th Grade
•
Easy
Margareta Radu
Used 2+ times
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1 Slide • 9 Questions
1
ALCANI
By Margareta Radu
2
Multiple Choice
Alcanul cu 3 atomi de carbon se numește:
propan
butan
pentan
trian
3
Multiple Choice
Omologul superior al butanului este:
propanul
metanul
etanul
pentanul
4
Multiple Choice
Reprezintă formula unui alcan:
5
Multiple Choice
Etanul are formula moleculară:
C2H4
C3H6
CH2
C2H6
6
Multiple Choice
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
7
Multiple Choice
Alcanul din imagine se numește:
2,2-dimetil-butan
2-metil-pentan
2-etil-2-metil-propan
3,3-dimetil-butan
8
Multiple Choice
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
9
Multiple Choice
Alcanii dau reacții de:
Adiție a clorului
Eliminare a radicalilor
Izomerizare
Polimerizare
10
Multiple Choice
La arderea completă a alcanilor se obține:
CO + H2 + Q
CO2 + H2O + Q
C + H2 + Q
C + H2O +Q
ALCANI
By Margareta Radu
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