Alchine BAC Flashcards

1
Q

Proprietati fizice

A

c4>2butina>superioare
alchine>alcani>alchene
Partial solubila in apa

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2
Q

Adiţia H2, X2, HX, H2O la acetilena

A

+h2(Pd/Pb2+)–>alchena(totala daca catalizator+Ni)
+X2(CCl4)
+HX(HgCl2,120-170)
+H20(H2SO4/HgSO4)-> ALCOL VINILIC INSTABIL
->etanal

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3
Q

Arderea

A

CnH2n-2 + 3n-1/2 O2 -> nCO2 + (n-1)H20

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4
Q

Obţinerea acetilenei din carbid.

A

CaC₂+2H-OH→C₂H₂+Ca(OH)₂

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5
Q

Importanţa practică a acetilenei.

A

Se folosește de asemenea la sudura oxiacetilenică și la iluminat.

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6
Q

Polimerizarea clorurii de vinil, acrilonitrilului, acetatului de vinil.

A

formulele fiecaruia

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