Adweithiau

Question 1

Alcohol i halogenoalcan

Answer 1

Adlifo

KCl/H3PO4 crynodedig

Question 2

Halogenoalcan i nitril

Answer 2

Adlifo

KCN mewn ethanol

Question 3

Nitril (CN) i amin (NH2)

Answer 3

Adlifo

LiAlH4 mewn ether

Question 4

Nitril i COOH

Answer 4

Adlifo
H2SO4 gwan
Adwaith hydrolysis

Question 5

Halogenoalcan i amin

Answer 5

NH3 mewn ethanol

Gwasgedd a tymheredd uchel

Question 6

Amin I alcohol

Answer 6

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

Question 7

Halogenoalcan I alcen

Answer 7

Adlifo

KOH crynodedig mewn ethanol

Question 8

Alcen i alcan

Answer 8

H2

Catalydd Ni 200•C

Question 9

Hylosgi alcan

Answer 9

O2

Question 10

Alcan i halogenoalcan

Answer 10

UV Cl2 ( radicalau rhydd 2Cl•)

Question 11

Alcohol i alcen

Answer 11

Adlifo
170•C
H2SO4 crynodedig mewn gormodedd

Question 12

Halogenoalcan i alcohol

Answer 12

Adlifo efo NaOH gwan

Question 13

Alcohol i aldehyd

Answer 13

(Cr2O7)2-/H+
Gwres tynner
Ocsidiad

Question 14

Aldehyd i alcohol

Answer 14

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

Question 15

Alcohol i COOH

Answer 15

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

Question 16

Alcohol i ester

Answer 16

Adlifo

H2SO4 +CH3COOH

Question 17

Ester I alcohol

Answer 17

Adlifo

H2SO4

Question 18

Aldehyd I COOH

Answer 18

Adlifo
(Cr2O7)2- /H+
Ocsidiad

Question 19

COOH i ester

Answer 19

Adlifo

H2SO4(d) crynodedig + alcohol

Question 20

Ester I COOH

Answer 20

Adlifo

H2SO4

Question 21

COOH I COONa

Answer 21

NaOH 20•C

Question 22

COOH -> COONa + CO2 + H2O

Answer 22

NaHCO3 20•C

Question 23

COOH -> COCl + POCl3 + HCl

Answer 23

PCl5

Question 24

COCl + POCl3 + HCl -> COOH

Answer 24

H2O
20•C
Hydrolysis

Question 25

COCl + POCl3 + HCl -> O=CNH2

Answer 25

NH3(d) crynodedig | 20•C

Question 26

O=CNH2 I COOH

Answer 26

Adlifo | H2SO4 (d)

Question 27

R-COOH - COO I greu alcen

Answer 27

Calch soda | Here's

Question 28

Amin i R-NHC=O-R

Answer 28

CH3(C=OCl) | 20•C

Question 29

Ester +NaOH

Answer 29

COONa + alcohol | H+ i'r COONa = COOH

Question 30

Aldehyd +AgO | Enw'r adwaith yw....

Answer 30

COOH+Ag | Tollens

Question 31

Aldehyd + CuO | Enw'r adwaith yw ....

Answer 31

COOH + Cu2O(coch) | Fehlings

Question 32

Ychwanegu grwpiau OH a CN at Ceton neu aldehyd

Answer 32

KCN/HCl (d) gwan i greu HCN | 20•C

Question 33

Profi am CH3C=O

Answer 33

I2/OH- i greu 3IO- (iodofform) ``` CI3C=O + OH- Yna CHI3 (triodomethan) +HCOO- ```

Question 34

Alcen i halogenoalcan (2 atom Halid)

Answer 34

Br2 | 20•C

Question 35

Alcen i halogenoalcan (un Halid)

Answer 35

HBr

Question 36

Alcen i alcohol

Answer 36

H2SO4 crynodedig | 20•C

Question 37

Alcen i 2-ol

Answer 37

KMnO4/H+ | 20•C

Question 38

Ester +NaOH

Answer 38

COONa + alcohol | H+ i'r COONa = COOH

Question 39

Aldehyd +AgO | Enw'r adwaith yw....

Answer 39

COOH+Ag | Tollens

Question 40

Aldehyd + CuO | Enw'r adwaith yw ....

Answer 40

COOH + Cu2O(coch) | Fehlings

Question 41

Ychwanegu grwpiau OH a CN at Ceton neu aldehyd

Answer 41

KCN/HCl (d) gwan i greu HCN | 20•C

Question 42

Profi am CH3C=O

Answer 42

I2/OH- i greu 3IO- (iodofform) ``` CI3C=O + OH- Yna CHI3 (triodomethan) +HCOO- ```

Question 43

Alcen i halogenoalcan (2 atom Halid)

Answer 43

Br2 | 20•C

Question 44

Alcen i halogenoalcan (un Halid)

Answer 44

HBr

Question 45

Alcen i alcohol

Answer 45

H2SO4 crynodedig | 20•C

Question 46

Alcen i 2-ol

Answer 46

KMnO4/H+ | 20•C

Question 47

Atomatig

Answer 47

Taflen

Question 48

Bensen i Nitrobensen

Answer 48

HNO2 crynodedig H2SO4 crynodedig 55•C

Question 49

Bensen i clorobensen

Answer 49

Tymheredd ystafell Tywyllwch Cl2 AlCl3

Question 50

Aldehyd + HCN mewn NaOH

Answer 50

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