Alcani-Berche

Alcani-Berche

5th - 11th Grade

18 Qs

quiz-placeholder

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Alcani-Berche

Alcani-Berche

Assessment

Quiz

Chemistry

5th - 11th Grade

Practice Problem

Hard

Created by

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18 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Alcanii sunt hidrocarburi?

ciclice

aciclice

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Care este formula generala a alcanilor?

C n H 2n + 2

C n H 2n-6

CH4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Alcanii nu sunt solubili în apă, dar sunt solubili în solvenţi nepolari.

Adevarat

Fals

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

2-metilbutanul

are în molecula sa 4 atomi de carbon

are în molecula sa 3 atomi de carbon primari

prezintă catenă saturată

este izomer cu n-butanul

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

La ce temperatura are loc reactia de izomerizare?

400°C

50°C-100°C

200°C

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Alcanul care conţine 81.82 % C, în procente de masă este:

Etanul

Propanul

Butanul

Pentanul

7.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Ce este propanona?

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