
hidrocarburi saturate real
Authored by Gheorghe Nemciuc
Chemistry
10th Grade
Used 29+ times

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8 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alcanii sunt hidrocarburi:
Aromatice
Saturate
Nesaturate
Heterociclice
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Formula generală a halogenoalcanilor este:
CnH2n
CnH2n+2
CnH2n+1 X
CnH2n X
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Cea mai simplă hidrocarbură are un atom de carbon şi nu conţine legături C-C
CH4
C2H6
CH2
C3H6
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Alcanii prezintă izomerie :
de catenă
geometrică
de poziție
de funcție
5.
MULTIPLE SELECT QUESTION
30 sec • 1 pt
Determinaţi valoarea de adevăr a afirmaţiilor:
Hidrocarburile cu aceeaşi formulă generală şi catenă diferită sunt izomeri de catenă
Alcanii sunt substanţe solubile în apă şi în solvenţi organici
Metanul este un gaz incolor, inodor şi mai uşor decât aerul
Fiecare termen al seriei de omologi diferă de precedentul prin radicalul metilen: -CH2-;
Reacţiile de ardere a alcanilor sunt endoterme
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Ce volum (c.n.) conține 10 g de butan
44,8 l
22.4 l
3.36 l
3,86 l
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Numărul izomerilor halogenoalcanici cu catena normală, avînd formula moleculară C4H9Cl, este:
2
3
4
5
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