
TEST ADMITERE IASI HIDROCARBURI ALIFATICE

Quiz
•
Chemistry
•
1st - 2nd Grade
•
Medium
DANA-ELENA Lupuleasa
Used 8+ times
FREE Resource
22 questions
Show all answers
1.
MULTIPLE SELECT QUESTION
45 sec • 1 pt
Compusul cu formula NH4NCO poate fi folosit la:
obţinerea aminoacizilor;
identificarea aminelor;
obţinerea ureei;
reacţia de polimerizare, drept catalizator.
2.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Alchena C7H14conţine un atom de carbon cuaternar, 2 atomi de carbon terţiari şi 4 atomi de carbon primari. Formula alchenei este:
3,3-dimetil-1-pentenă;
3-metil-2-hexenă;
3,4-dimetil-2-pentenă;
2-metil-2-pentenă.
3.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Unul dintre următorii compuşi are în moleculă numai atomi de carbon secundari. Compusul este:
Metan;
Acetilenă;
Etan;
Ciclohexan
4.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Substanţa cu formula C7H16 are în structură un atom de carbon cuaternar, un atom de carbon terţiar şi cinci atomi de carbon primari. Substanţa este:
2,3-dietilpentan;
3-metilpentan;
2,2-dimetilpentan;
2,2,3-trimetilbutan.
5.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Legăturile covalente ale unui atom (de C,N) prezintă simetrie digonală atunci când:
Atomii sunt hibridizaţi sp3;
Atomii unei molecule sunt hibridizaţi diferit;
Atomii sunt hibridizaţi sp;
Atomii sunt hibridizaţi sp2.
6.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Dintre următorii compuşi ciclici cu formula C7H14 are 5 atomi de carbon secundari în moleculă:
1,1-dimetilciclopentan;
1,2-dimetilciclopentan;
Metilciclohexan;
Dimetilciclohexan.
7.
MULTIPLE SELECT QUESTION
2 mins • 1 pt
Formulei moleculare C4H8 îi corespund:
3 alchene;
2 cicloalcani
2 izomeri geometrici;
4 alchene si 2 cicloalcani.
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