alchine Flashcards

CnH2n-2

1
Q

formula generala

A

CnH2n-2

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2
Q

reactii caracteristice alchine

A

de aditie , polimerizarea oxidare subtitutie

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3
Q

reactia de aditie a hidrogenului(PARTIALA)alchine

A

C2H2+H2—CH2=CH2

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4
Q

Hidrogenarea totala alchine

A

C2H2+2H2=CH3-CH3

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5
Q

Halogenarea alchine

A

CH3-CH=-CH+Br2=CH3-CHBr=CHBr+Br2=CHBr2-CHBr2

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6
Q

Hidrohalogenarea alchinelor

A

CH3-C=-CH+HBr =
CH3-CBr=CH2

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7
Q

Hidratarea alchinelor

A

CH=-CH+HOH=CH3-C=O
-H

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8
Q

Metode de obtinere a alchinelor

A

piroliza metanului
hidroliza carburii de ca

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9
Q

piroliza metanului pentru obtinerea acetilenei

A

2CH4===CH=-CH+3H2

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10
Q

Hidroliza carburii de calciu

A

CaC2+H2O===C2H2+CaOH

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11
Q

Utilizarea acetilenei

A

taierea si sudarea metalelor

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