TEST ADMITERE ALCANI ALCHENE

TEST ADMITERE ALCANI ALCHENE

1st - 2nd Grade

20 Qs

quiz-placeholder

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TEST ADMITERE ALCANI ALCHENE

TEST ADMITERE ALCANI ALCHENE

Assessment

Quiz

Chemistry

1st - 2nd Grade

Medium

Created by

DANA-ELENA Lupuleasa

Used 27+ times

FREE Resource

20 questions

Show all answers

1.

MULTIPLE SELECT QUESTION

10 mins • 1 pt

Alchena cu C7H14 contine un atom de carbon cuaternar, 2 atomi de C tertiari si 4 atomi de C primari. Formula alchenei este:

3,3-dimetil-1-pentena;

3-metil-2-hexena;

3,4-dimetil-2-pentena

2-metil-2-pentena

4,4-dimetil-1-pentena

2.

MULTIPLE SELECT QUESTION

10 mins • 1 pt

Care este numarul minim de atomi de C ai unui alcan pentru ca in urma cracarii sa rezulte si butena?

7

5

6

8

4

3.

MULTIPLE SELECT QUESTION

10 mins • 1 pt

Care dintre urmatoarele alchene nu contin atomi de carbon in doua stari de hibridizare:

1-butena

propena

etena

2-butena

izobutena

4.

MULTIPLE SELECT QUESTION

10 mins • 1 pt

In cazul alcanilor nu se intalneste reactia:

substitutie

oxidare

izomerizare

aditie

alt raspuns

5.

MULTIPLE SELECT QUESTION

10 mins • 1 pt

Radicalul divalent al metanului se numeste:

metil

metin

metilen

metanoat

metanil

6.

MULTIPLE SELECT QUESTION

10 mins • 1 pt

Alege afirmatia corecta:

legatura dubla este formata din doua legaturi π

legatura de tip π se formeaza prin intrepatrunderea orbitalilor de tip sp2

orbitalii de tip sp2 au geometrie tetraedrica

legatura tripla este formata dintr-o legatura σ si doua legaturi π

atomul de C implicat intr-o legatura tripla are doar doi orbitali de tip sp.

7.

MULTIPLE SELECT QUESTION

10 mins • 1 pt

Alegeti afirmatia corecta referitoare la compusul cu formula moleculara C8H12N2O2 :

are NE=1

este o hidrocarbura

nu prezinta grupe functionale in molecula

raportul atomic C:H:N:O este 4:6:1:2

prezinta 19,05% oxigen in molecula

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