Precizati afirmatiile corecte.

TEST AMINE

Quiz
•
Chemistry
•
1st - 12th Grade
•
Hard
DANA-ELENA Lupuleasa
Used 31+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
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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