1. The document discusses chemical reactions involving aldehydes, ketones, carboxylic acids, and amines. Specific reactions include converting benzene to acetophenone in 2009 and ethanol to acetone. 2. Carboxylic acid reactions include converting acetylene to acetic acid in 2013 and butan-1-ol to butanoic acid in 2012. Amine reactions include converting benzoic acid to aniline in 2019 and aniline to phenol in 2015. 3. Year ranges from 2012 to 2020.

1. Aldehydes and ketones
2020
⑨ Benzene to Acetophenone
' + CHIOU
¥14s
,
"
3
Csz
Benzene

2. ⑤ Ethyne to ethanol 2015
CHICH É
Hgsoy
< "
3-
" °
ethanol
ethyne

3. ⑥ Benzaldehyde from phenol 2013
OH
€-7 ¥-1 , .-
CHO
Ahly AIU
]

4. d Acetone to brobene
or
2020
probanone to brobene 2017
Ctg
-
É-
Ctg
" AIH "
; CH
,
-
d%- Ctg
443kt,
conc .
Has 04
ctg-CH-C.tk

5. e Ethanol to probanone 2018
CH
}
-
É-
H + CH]MgBr →
CHI MgBr%ᵗ
<
% :{µ
,-
OH Ctg -
É-
CH
}

6. (f) Ethanol to 2-
hydroxy.
propanoicaoid .
2013
CH
}
-1=0
HCM
> Ctg-41
-
CN
↳ %
'
u
OH
( Hz-
CH -
COOH
bit

7. (g) Propanone to bropan -2-01
2013
( "
311=0 + µ ,
Nits CHIH-
OH
CH}
CH}

8. (h) Probanone to propane
2013
Cone.
2h -
Hg / HU
C. Hz -
( =D
7 GHz-
CHz-CH3
Clemmensen
{Hz Reduction

9. i) Benzoyl chloride to benzaldehyde 2013
E-a E-a
Pd / Bason 1-
¥4 + Ha → 1-4
Poisoned by
S

10. (j) Ethanol to but -
2- enal 2013
CH
} +
cH⑤ ←°
"
CH
]
-
cµ=cn
-
É
he

11. Carboxylic Acid
a) Toluene to benzoic acid
/ Ethylbenzene to benzoic Acid
2018 2017
fH3
É% ÉÑ" +É
"
¥4
""
kmnae.am
,
"°"
↓ tgo
-1
É

12. ⑤ Acetylene to acetic acid 2013
CH ICH + H2O
ᵗʰˢ°"
> CH
}
-
%-
H
Hgsoy
C.Hz -
COOH

13. ④ Batan -1-01 to butanoic acid 2012
CH.zctlgftfc.tkOH
↳ ↳ -
""°"
?
CHzCHzCH,
OH
Jones
reagent

14. ⑨ 4- Methylacetobhenone to benzene -1,42°
"
-
dicarboxylic acid
%- CH
} POOH
iikmnoy / KOH
,
EH ii)Hz0+ I
ÉH}
COOH

15. ② Ethyl cyanide to ethanoic acid
CH
}
-
CH,
-
CN CH
]
-
CH
,
-
%-
Nth
Partial
Hydrolysis ↓ Brat NaOH
<
%H°ᵗ
ctg-ctf-OH-CHz-CHz-NHzctb.CO
OH Hzsoy

16. ⑦ Benzoic acid to m - bromo benzoic acid.
2012
É , EETs.

17. ⑨ Propanoic acid to acetic acid 2019
CH
} CHZCOOH Yaffa > CHI -
CH
} Go
4
CHRGCOOH <
KMn°Y CH, CHOU <
KOH
CH}
-
Ctf-
Br

18. 2015,2017
⑨ Benzoic acid to benzaldehyde
Hz.
/ Pd-
Basely ¥jH
¥-04
sock
,
É¥"
Rosamund Redn

19. d) Ethanoic acid to 2-
hydroxy.
ethanoicucid
201.7
CH
]
-
COOH É a- CH
,
-
Coote El
HO -
CH
,
-
COOH

20. ( j ) A-cetophenone to benzoic acid
2017
CH
} →
◦ Na
+ CHU
}
↓ 1430
-1
T¥
#OH

21. Amines
⑨ Benzoic acid to aniline 2019
,C0NHz
1¥00"n
°
_
""
i,
u
[¥
"

22. ⑥ Ethane nitrile to ethanamine 2015
CH] CN + 4TH] %H CH}
-
Ctf
-
MHz

23. ② Benzyl chloride to 2- Phenyl ethanamine 2012
ICH,
-6
,ᵗʰcMHy, 1¥42
-
CHINH,
i

24. ⑨ Nitrobenzene into aniline
2014
1^102 ,NHz
+ 6TH] +2110

25. ② Ethanoic acid into methenamine zone
CH]
-
COOH CH]
-
¥-6 CHz-cNHz
Ctf
-
MHz
#{Eon'
I

26. (f) Benzene to Aniline 2012
for
%É + see] u^"ʰ

27. ⑨ Bromo methane to ethanol
2019
CH}
-
Br Ctg -
CN É
CH
]CHzNHz
Hs CH
]CHzOH

28. ⑨ Aniline into N -
phenylelhanamide
2014
MHz
+ Ctg _
-
o - -
ctg
he
-
CH
}
±
Acetanilide

29. d) Aniline to phenol 2015
MHz
÷%É÷EÉ
"

30. (j ) ftp.CONHz to GHS-
MHz 2015
CONH,
-1 Boz -14140k
?⃝
-
NH,