Alcani

Question 1

tip de izomerie alcani

Answer 1

optica, geometrica, catena

Question 2

ce fel de cataliza are loc la aditia H la alchene

Answer 2

eterogena

Question 3

catalizatori aditia H la alchene

Answer 3

80-200c, 200atm, ni, pd, pt

Question 4

catalizatori hidrogenare de benzen

Answer 4

pt la 250c sau ni la 170-200c

Question 5

catalizatori alchilarea izobutanului cu izobutena

Answer 5

h2so4

Question 6

ce reprezinta CO

Answer 6

procentul masic de izooctan in amestec de n heptan

Question 7

hidrogenoliza toluenului conditii

Answer 7

pt/al2o3 la 600-700c

Question 8

decarboxilarea ac carboxilici cu exces de NaOH- etape

Answer 8

2- din prima iese carbonat de Na/ soda de rufe

Question 9

hidroliza compusilor organomagnezieni conditii

Answer 9

mediu acid

Question 10

reformarea catalitica cond

Answer 10

Pt/Al2O3, 500, 15-30 atm

Question 11

tip de interactiuni moleculele alcanilor

Answer 11

Van der Waals

Question 12

Alcani gazosi in conditii standard

Answer 12

primii 4 termeni si neopentanul

Question 13

de ce depind pt la alcani

Answer 13

de simetria moleculei

Question 14

in ce se dizolva alcanii

Answer 14

ccl4, acetona, benzina

Question 15

care este reactia caracteristica a alcanilor

Answer 15

substitutia

Question 16

conditii halogenare alcani

Answer 16

fotochimic sau 300-400-600c

Question 17

reactivitatea cp la alcani

Answer 17

1

Question 18

reactivitatea cs la alcani

Answer 18

3

Question 19

reactivitatea ct la alcani

Answer 19

4.5

Question 20

prop cp la butan

Answer 20

33.33%

Question 21

prop izopentan la halogenare

Answer 21

2/4 compusi sunt in aceeasi prop

Question 22

prop cp izobutan

Answer 22

66.66%

Question 23

reactivitate cp (br)

Answer 23

1

Question 24

r cs Br

Answer 24

82

Question 25

r ct Br

Answer 25

1600

Question 26

prop cp propan

Answer 26

3.52%

Question 27

prop cp izobutan

Answer 27

0,56%

Question 28

conditii izomerizare

Answer 28

alcl3, 50-100c: silicati-zeoliti, 250-300c, Pt/al2O3 tc

Question 29

prop neopentanului in izomerizarea n pentanului

Answer 29

50%

Question 30

ce reactii intra in categ oxidarii incomplete

Answer 30

cresterea cont de O, cresterea nr de leg chimice O C, scaderea cont H din mol, introducere O

Question 31

nume alcani superiori

Answer 31

parafine

Question 32

ce se obtine la oxidarea alcanilor superiori

Answer 32

acizi grasi

Question 33

oxidarea ciclohexanului conditii

Answer 33

catalitice

Question 34

arderea metanului in aer in atm saraca in o

Answer 34

negru de fum si apa

Question 35

arderea incompleta a metanului

Answer 35

gaz de sinteza- monoxid si h in rap molar 1:2

Question 36

metanul trecut impreuna cu apa prin cat Ni la 800c

Answer 36

CO+3H2- gaz de apa

Question 37

prin incalzirea la 400c sub o presiune de 60 atm metan si 1/2 O2

Answer 37

metanol

Question 38

400-600c, oxizi de azot

Answer 38

metanal+apa

Question 39

pz de amoniac, 1000c, Pt

Answer 39

3H20+ HCN