Alcadiene Flashcards by Raluca Lazar

Q

HC cu formula C4H6

A

8 structuri

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Q

Hexadiene cu catena iniara

A

6

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Q

ce alcadiene au 3 stereoizomeri

A

cele simetrice

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Q

izomerie

A

de fct, de cat, optica, poz, geom

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Q

dehidrogenarea catalitica a alcanilor cond

A

Fe2O3, Cr2O3, t

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Q

Metoda Lebedev definitie

A

r de deshidratare intramoleculara si dehidrogenare intermoleculara

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Q

Lebedev cond

A

Zno, 400

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Q

Deshidratarea intramoleculara a diolilor cond

A

H3PO4, 180/250C

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Q

dehidrohalogenarea compusilor dihalogenati cond

A

hidroxizi alcalini, sol alcoolice, t

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Q

Stare de agregare alcadiene

A

gaz, lichid

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Q

pct de fierbere fata de alcani

A

mai scazute

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Q

solubilitate

A

insolubile in apa, solubile in comp organici

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Q

Reactia specifica alcadienelor

A

aditia

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Q

Aditia halogenilor

A

CCl4

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Q

procent aditie 1,4 Cl

A

50%

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Q

procent aditie 1,4 Br

A

90%

Q

Ce fel de molecule formeaza polimerizarea

A

macromolecule filiforme

Q

Aditiile 1,2 la polimerizare

A

nu au importanta industriala

Q

Cauciucul natural forma

A

cis poliizopren

Q

Gutaperca

A

trans

Q

Unde se gaseste gutaperca

A

Coaja si frunzele de Palaquium

Q

Proprietati gutaperca

A

sfaramicioasa, lipsita de elasticitate

Q

Buna N nume alternativ

A

S.K.N

Q

Buna N compozitie

A

butadiena, acrilonitril

Q

Buna S nume alternativ

A

Carom 35

Q

Buna S compozitie

A

Stiren, butadiena

Q

Buna SS nume alternativ

A

Carom 1500

Q

Buna SS compozitie

A

Metilstiren, butadiena

Q

oxidare cu bayer 1:1

A

aditie 1,4

Q

exces oxidant

A

alcool polihidroxilic saturat

Q

ce face acidul oxalic la oxidare

A

2 co2+ H2O

Q

Acid piruvic den alternative

A

ac oxopropanoic, ac cetopropionic

Q

de unde se obt acidul piruvic

A

oxidarea izobutadienei