Alchine

Question 1

lungimea leg triple

Answer 1

1,204

Question 2

izomerie

Answer 2

de fct, de poz, de catena, optica

Question 3

unde au polii alchinele marginale

Answer 3

pol pozitiv H, pol negativ C

Question 4

Ce caracter au at de H legati de un C din tripla

Answer 4

slab acid

Question 5

constanta de aciditate a alchinelor cu tripla marginala

Answer 5

10 la -25

Question 6

dehidrohalogenarea comp dihalogenati vicinali

Answer 6

baze tari alcaline, sol alcoolice la t

Question 7

Care alchine sunt gaze

Answer 7

acetilena, propina, 1-butina

Question 8

in ce conditii sun gaze alchinele de mai sus

Answer 8

cond obisnuite (20)

Question 9

Ce alchine au pf mai scazute

Answer 9

cele marginale

Question 10

actilena are pf mai mic ca

Answer 10

2-butina

Question 11

si mai mare ca

Answer 11

1-pentina,1-butina, propina

Question 12

de ce este acetilena soluila in apa

Answer 12

dat polaritatii legaturii

Question 13

cat dizolva 1 vol de apa si la ce t

Answer 13

1,7 vol acetilena la 0C

Question 14

c% a acetilenei in sol saturata de apa

Answer 14

0,20%

Question 15

C% molara a acetilenei

Answer 15

0,075m/L

Question 16

cat dizolva 1 vol acetilena si la ce pres

Answer 16

300 vol acetilena la 12 atm

Question 17

in cate etape are loc halogenarea

Answer 17

2

Question 18

cum e reactia acetilenei cu clorul in stare gazoasa

Answer 18

violenta, puternic exoterma

Question 19

aditia hidracizilor cond

Answer 19

120-170 (170-200) HgCl2

Question 20

in cate etape are loc aditia hidracizilor

Answer 20

in 2 etape

Question 21

PVC solubilitate

Answer 21

cetone, comp halo, esteri

Question 22

prop fizice

Answer 22

relativ dur, solid, se inmoaie la 90-95c

Question 23

Kucerov cond

Answer 23

HgSO4 si H2SO4

Question 24

aditia HCN cond

Answer 24

CuCl2, NH4Cl

Question 25

PNA caracteristici (5)

Answer 25

rez la purtare, elasticitate, flexibilitate, tuseu bun, nu sunt hidroscopice

Question 26

Aditia ac acetic cond

Answer 26

H3C-COO)2Zn la 200-250C

Question 27

PAV proprietati

Answer 27

solid, netoxic,

Question 28

solubilitate

Answer 28

in solventi org

Question 29

De ce hidrolizeaza PAV

Answer 29

ca are gr ester

Question 30

Alcoolul polivinilic

Answer 30

solid, cul alba,

Question 31

solubilitate

Answer 31

solubil in apa, glicol, glicerina

Question 32

dimerizarea acetilenei

Answer 32

cu2cl2, nh4cl

Question 33

neoprenul prop

Answer 33

mai rezistent la oxidare ca si cauciucul

Question 34

trimerizarea acetilenei cond

Answer 34

600-800

Question 35

tetramerizarea ce formeaza

Answer 35

ciclooctatetraena

Question 36

ce rezulta prin aditia alc inferiori la acetilena

Answer 36

monomeri vinilici

Question 37

aditia acetilenei la comp carbonilici in rap 1;1

Answer 37

cu2c2

Question 38

ce rezulta

Answer 38

alcooli nesaturati

Question 39

1;2 ce rezulta

Answer 39

dioli

Question 40

ce formeaza acetilena cu bayer

Answer 40

acid oxalic

Question 41

alchenele marginale ce formeaza

Answer 41

cetoacizi

Question 42

alchinele interne ce formeaza

Answer 42

dicetone

Question 43

butandiona alte nume

Answer 43

diacetil, dimetilglioxal

Question 44

la ce t se formeaza acetilura monosodica

Answer 44

150c

Question 45

ce comp sunt acetilurile met alca si alca-pam

Answer 45

compusi ionici, stabili la t obisnuita

Question 46

ce culoare are acetilura de diargint

Answer 46

alb-galbui

Question 47

c culoare are acetlura de dicupru

Answer 47

brun roscat

Question 48

ce se intampla cu acetilurile tranz la incalzire

Answer 48

sunt puternic explozive

Question 49

cum arde acetilena

Answer 49

cu flacara luminoasa