Poliene

Question 1

De cate feluri sunt?

Answer 1

Cumulate
Conjugate
Izolate

Question 2

Metode de obtinere pol cumulate

Answer 2

1. Eliminare
   2.Transpozitii

Question 3

Proprietati chimice pol cumulate

Answer 3

1. Aditie apa
2. Aditie halogeni
3. Izomerie

Question 4

Metode de obtinere pol conjugate

Answer 4

1. Dehidrogenarea alcanilor
2. Dehidrogenarea alchenelor
3. Deshidratarea diolilor
4. Deshidratarea si dehidrogenarea concomitenta a etanolului
5. Aditie selectiva
6. Obtinerea izoprenului

Question 5

Proprietati chimice pol conjugate

Answer 5

1. Aditie halogeni
2. Aditie hidracizi
3. Aditie apa
4. Aditie terminala a hidrogenului
5. Hidrogenare
6. Aditii concertate
7. Sinteza dien
8. Polimerizare \ Copolimerizare
9. Oxidare energica
10. Ozon

Question 6

Eliminare pol cumulate

Answer 6

CH2=CBR-CH2BR > CH2=C=CH2
SE FACE CU ZN SI LA TEMPERATURA

Question 7

TRANSPOZITII POL CUMULATE

Answer 7

CH3-C=-CH > CH2=C=CH2
KOH, TEMPERATURA

Question 8

ADITIE HALOGENI PROP CHIMICE

Answer 8

CH2=C=CH2 + BR2 > CH2=CBR-CH2BR

Question 9

ADITIE APA POL CUMULATE

Answer 9

CH2=C=CH2 + H2O > CH3-CO-CH3

Question 10

IZOMERIZARE POL CUMULATE

Answer 10

CH2=C=CH2 + NANH2 > CH3-C=-CNA + H2O > CH3-C=-CH

Question 11

DEHIDROGENAREA ALCANILOR P CONJ

Answer 11

CH3-CH2-CH2-CH3 > CH2=CH-CH=CH2
700 GRADE CR2O3/FE2O3

Question 12

DEHIDROG ALCH P CONJ

Answer 12

CH2=CH-CH2-CH3 > CH2=CH-CH=CH2
700 GRADE CR2O3/AL2O3

Question 13

DESHIDRATAREA DIOLILOR P CONJ

Answer 13

HO-CH2-CH2-CH2-CH2-OH > TETRAHIDROFURAN > CH2=CH-CH=CH2
H3PO4 180 GRADE

Question 14

DESHIDRATAREA SI DEHIDROG ETANOLULUI P CONJ

Answer 14

CH3-CH2OH > CH2=CH-CH=CH2 + H2O + H2
ZNO 400 GRADE

Question 15

ADITIE SELECTIVA P CONJ

Answer 15

CH=-C-CH=CH2 > CH2=CH-CH=CH2
H2 PD\PB2+

Question 16

AD HAL P CONJ

Answer 16

IN POZ 1-2 SI POZ 1-4
+ BR2 IN TOATE POZITIILE

Question 17

AD HIDRACIZI P CONJ

Answer 17

POZ 1-2 POZ 1-4

Question 18

AD APEI P CONJ

Answer 18

POZ 1-2 SI POZ 1-4

Question 19

ADITIE TERMINALA A HIDROGENULUI P CONJ

Answer 19

CH3-CH=CH-CH=CH-CH3 + NA + ROH > CH3-CH2-CH=CH-CH2-CH3

Question 20

ADITII RADICALICE P CONJ

Answer 20

CH2=CH-CH=CH2 + H2 > CH3-CH2-CH2-CH3
NI, PT, PD

Question 21

CAUCIUC SINTETIC

Answer 21

SE DESACE LEG DUBLA DIN POZ 1 SI 3 SI SE LEAGA IN POZ 2
SE FACE CU H, CH3, CL

Question 22

OXIDARE ENERGICA P CONJ

Answer 22

C=C-C=C > CO2 + COOH-COOH + H2O
IN PREZENTA DE K2CR2O7 SI H2SO4