give equation of prepration
1) Ethanol From Acetylene
2) Benzene from Toulene
3) Ethane from Ethanol
Answers
Answer:
CH
3
−CH
2
−OH
+SOCl
2
Pyridine
ethyl chloride
CH
3
−CH
2
−Cl
+SO
2
↑+HCl↑
acetylene
HC≡CH
+NaNH
2
liq.NH
3
sodium acetylide
HC≡C
−
Na
+
CH
3
−CH
2
−Cl+HC≡C
−
Na
+
→
but−1−yne
CH
3
−CH
2
−C≡CH
+NaCl
ii) Ethane to bromoethene
ethane
CH
3
−CH
3
+Br
2
UV light
CH
3
−CH
2
Br
alc.KOH
−HBr
CH
2
=CH
2
Br
2
Br−CH
2
−CH
2
−Br
Br−CH
2
−CH
2
−Br
alc.KOH
−HBr
bromoethene
CH
2
=CHBr
iii) Propene to 1-nitropropane
propene
CH
3
−CH=CH
2
+HBr
Peroxide
CH
3
−CH
2
−CH
2
Br
AgNO
2
1−nitropropane
CH
3
−CH
2
−CH
2
NO
2
+AgBr
iv) Toluene to benzyl alcohol
toluene
C
6
H
5
−CH
3
+Cl
2
UV light
C
6
H
5
−CH
2
Cl
NaOH
benzyl alcohol
C
6
H
5
−CH
2
OH
+NaCl
v) Propene to Propyne
propene
CH
3
−CH=CH
2
+Br
2
CCl
4
CH
3
−CH(Br)−CH
2
(Br)
NaNH
2
liqNH
3
propyne
CH
3
−C≡CH
vi) Ethanol to ethyl fluoride
ethyl alcohol
CH
3
−CH
2
OH
+HCl
ZnCl
2
ethyl chloride
CH
3
−CH
2
−Cl
+H
2
O
CH
3
CH
2
−Cl+AgF→
ethyl fluoride
CH
3
−CH
2
−F
(Swarts reaction)
vii) Bromomthane to propanone
bromomethane
CH
3
−Br
KCN
CH
3
−CN
CH
3
−Mg−Br
CH
3
−CCH
3
=NMgBr
hydrolysis
propanone
CH
3
−CO−CH
3
viii) But-1-ene to but-2-ene
But−1−ene
CH
3
−CH
2
−CH=CH
2
HBr
Markownikoff
′
s rule
CH
3
−CH
2
−CH(Br)−CH
3
alc.KOH
−HBr
but−2−ene
CH
3
−CH=CH−CH
3
ix) 1-chlorobutane to n-octane
Wurtz synthesis
1−chlorobutane
2CH
3
−CH
2
−CH
2
−CH
2
−Cl
+2Na
dry ether
n−octane
CH
3
−(CH
2
)
6
−CH
3
+2NaCl
x) Benzene to biphenyl
benzene
C
6
H
6
+Br
2
dark,Fe
bromobenzene
C
6
H
5
−Br
Wurtz-Fittig reaction
2C
6
H
5
−Br+2Na
dry ether
biphenyl
C
6
H
5
−C
6
H
5
+2NaBr