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Cemeg Sioned > Adweithiau > Flashcards

Adweithiau Flashcards

1
Q

Alcohol i halogenoalcan

A

Adlifo

KCl/H3PO4 crynodedig

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2
Q

Halogenoalcan i nitril

A

Adlifo

KCN mewn ethanol

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3
Q

Nitril (CN) i amin (NH2)

A

Adlifo

LiAlH4 mewn ether

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4
Q

Nitril i COOH

A

Adlifo
H2SO4 gwan
Adwaith hydrolysis

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5
Q

Halogenoalcan i amin

A

NH3 mewn ethanol

Gwasgedd a tymheredd uchel

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6
Q

Amin I alcohol

A

HNO2 (creu: NaNO2 + HCl efo cynnyrch o N2(n)

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7
Q

Halogenoalcan I alcen

A

Adlifo

KOH crynodedig mewn ethanol

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8
Q

Alcen i alcan

A

H2

Catalydd Ni 200•C

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9
Q

Hylosgi alcan

A

O2

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10
Q

Alcan i halogenoalcan

A

UV Cl2 ( radicalau rhydd 2Cl•)

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11
Q

Alcohol i alcen

A

Adlifo
170•C
H2SO4 crynodedig mewn gormodedd

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12
Q

Halogenoalcan i alcohol

A

Adlifo efo NaOH gwan

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13
Q

Alcohol i aldehyd

A

(Cr2O7)2-/H+
Gwres tynner
Ocsidiad

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14
Q

Aldehyd i alcohol

A

LiAlH4 (rhydwythydd)
Mewn methanol
Medru defnyddio NaBH4 sy’n llai peryg

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15
Q

Alcohol i COOH

A

Adlifo
(Cr2O7)2-/H+ neu MnO4-/H+
(ocsidiad)

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16
Q

Alcohol i ester

A

Adlifo

H2SO4 +CH3COOH

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17
Q

Ester I alcohol

A

Adlifo

H2SO4

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18
Q

Aldehyd I COOH

A

Adlifo
(Cr2O7)2- /H+
Ocsidiad

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19
Q

COOH i ester

A

Adlifo

H2SO4(d) crynodedig + alcohol

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20
Q

Ester I COOH

A

Adlifo

H2SO4

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21
Q

COOH I COONa

A

NaOH 20•C

22
Q

COOH -> COONa + CO2 + H2O

A

NaHCO3 20•C

23
Q

COOH -> COCl + POCl3 + HCl

A

PCl5

24
Q

COCl + POCl3 + HCl -> COOH

A

H2O
20•C
Hydrolysis

25
Q

COCl + POCl3 + HCl -> O=CNH2

A

NH3(d) crynodedig

20•C

26
Q

O=CNH2 I COOH

A

Adlifo

H2SO4 (d)

27
Q

R-COOH - COO I greu alcen

A

Calch soda

Here’s

28
Q

Amin i R-NHC=O-R

A

CH3(C=OCl)

20•C

29
Q

Ester +NaOH

A

COONa + alcohol

H+ i’r COONa = COOH

30
Q

Aldehyd +AgO

Enw’r adwaith yw….

A

COOH+Ag

Tollens

31
Q

Aldehyd + CuO

Enw’r adwaith yw ….

A

COOH + Cu2O(coch)

Fehlings

32
Q

Ychwanegu grwpiau OH a CN at Ceton neu aldehyd

A

KCN/HCl (d) gwan i greu HCN

20•C

33
Q

Profi am CH3C=O

A

I2/OH- i greu 3IO- (iodofform)

CI3C=O + OH-
Yna
CHI3 (triodomethan) +HCOO-
34
Q

Alcen i halogenoalcan (2 atom Halid)

A

Br2

20•C

35
Q

Alcen i halogenoalcan (un Halid)

A

HBr

36
Q

Alcen i alcohol

A

H2SO4 crynodedig

20•C

37
Q

Alcen i 2-ol

A

KMnO4/H+

20•C

38
Q

Ester +NaOH

A

COONa + alcohol

H+ i’r COONa = COOH

39
Q

Aldehyd +AgO

Enw’r adwaith yw….

A

COOH+Ag

Tollens

40
Q

Aldehyd + CuO

Enw’r adwaith yw ….

A

COOH + Cu2O(coch)

Fehlings

41
Q

Ychwanegu grwpiau OH a CN at Ceton neu aldehyd

A

KCN/HCl (d) gwan i greu HCN

20•C

42
Q

Profi am CH3C=O

A

I2/OH- i greu 3IO- (iodofform)

CI3C=O + OH-
Yna
CHI3 (triodomethan) +HCOO-
43
Q

Alcen i halogenoalcan (2 atom Halid)

A

Br2

20•C

44
Q

Alcen i halogenoalcan (un Halid)

A

HBr

45
Q

Alcen i alcohol

A

H2SO4 crynodedig

20•C

46
Q

Alcen i 2-ol

A

KMnO4/H+

20•C

47
Q

Atomatig

A

Taflen

48
Q

Bensen i Nitrobensen

A

HNO2 crynodedig
H2SO4 crynodedig
55•C

49
Q

Bensen i clorobensen

A

Tymheredd ystafell
Tywyllwch Cl2
AlCl3

50
Q

Aldehyd + HCN mewn NaOH

A

Bond bwbl O yn troi i un (O-)
Bond ychwanegol yna yn mynd i C tripple bond N
H yn ymuno â O- (OH)

Cemeg Sioned (3 decks)

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