TEST  AMINE

TEST AMINE

1st - 12th Grade

10 Qs

quiz-placeholder

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TEST  AMINE

TEST AMINE

Assessment

Quiz

Chemistry

1st - 12th Grade

Practice Problem

Hard

Created by

DANA-ELENA Lupuleasa

Used 31+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Precizati afirmatiile corecte.

1,2-fenilendiamina este o amina secundara

benzilamina este o amina aromatica

1,2-etandiamina este o amina primara

fenilamina este o amina aromatica secundara

2.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Afirmatiile de mai jos sunt corecte cu EXCEPTIA.

comportarea chimica a aminelor este asemanatoare cu cea a amoniacului

in apa, aminele solubile formeaza, ca si amoniacul, hidroxizii respectivi, reactiile fiind procese de echilibru

aminele alifatice sunt baze mai tari decat amoniacul, iar cele aromatice sunt baze mai slabe decat acesta; aminele secundare alifatice sunt baze mai tari decat cele primare.

aminele pot functiona ca baze, cedand cu usurinta protoni

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Alchilarea aminelor se face cu:

cloruri de aciz

sulfati de alchil

clorura de benzoil

anhidride de acizi

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Din clorura de metil si amoniac se obtine un amestec de metilamina, dimetilamina si trimetilamina, in raport molar de 4:2:1. Sa se calculeze masa de clorura de metil necesara pentru obtinerea unui amestec de amine cu masa de 54,6 g

111,1 g

55,55 g

424,2 g

109,2 g

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Prin tratarea unei amine tertiare cu un compus halogenat se obtine:

o amida

o sare de diazoniu

o sare de amoniu cuaternar

reactia nu are loc

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Formula ciclohexil(fenil)aminei este:

C6H5-NH-C6H12

C6H11-NH-C6H5

C6H11-NH-C6H11

nicio formula de structura nu este corecta

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Care dintre urmatoarele amine pot forma saruri de diazoniu?

I. C6H5-N(CH3)2

II. (o)CH3-C6H4-NH2

III. CH3-CH2-NH-CH2-CH3

IV. C6H5-NH2

V. CH3-CH2-N(CH3)2

III, IV

I, V

II,IV

II,III

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