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Reagents chart (oc) for neet ug
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States of matter|chemistry 3|short notes for NEET 2025|Summary notes for NEET 2025|NEET 2025 CHEMISTRY
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Solutions|chemistry 2| short notes for NEET 2024-25| Summary notes for NEET 2024-25| As per latest syllabus
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ORGANIC REAGENTS ORGANIC REAGENTSS.No. Reagent Function 30 CrO3/KMnO4 or K2Cr2O 7 oxidation of alcohols into acids
1 PCl3, PBr3, PI3 Alcohols into Alkyl halides in acidic medium
2 SoCl2, PCl5 Alcohols into Alkyl chlorides & 31 Cu /573k dehydrogenation of alcohols gives 10
Carboxylic acids into Acid Chlorides alcohols into aldehydes and 20 alcohols
3 HCl/ZnCl2,HBr,HI Alcohols into alkyl halides into ketones & 30 alcohos into alkenes
4 Cl2/Fe or FeCl3 Cl group substituting on Benzene 32 Dil. HNO3 Mono nitration of Phenol
5 NaNO2 /HCl 0-50C Diazotisation 33 Conc.HNO3 tri nitration of phenol
6 CuCl,CuBr,CuCN,KI,H2O, Diazonium Cholride into Chlor Benzene, 34 Br2 /H2O tri bromination of phenol
H3PO2 Bromo Benzene, Benzo nitrile, Iodo 35 Br2 /Cs2 mono bromination of phenol
Benzene , Phenol,Benzene respectively 36 NaOH /CO2 Phenol to salicilic acid
7 HBF4 or NaBF4 Diazonium Chloride into Floro Benzene 37 CHCl3 /NaOH Phenol to salcilaldehyde
8 AgF or Hg2F2 or SbF3 or Alkyl halides into alkyl florides 38 Zn dust Phenol to Benzene
CoF2 39 Na2Cr2O7 /H2SO4 or air Phenol to Benzo quinone
9 Na / dry ether Alkyl halides into alkanes 40 Zn/Cr2O 3 200to 300 atm CO & H into methanol
10 NaOH 623/443/368K Chloro benzene to phenol 573 – 673K
11 Br2 /FeBr3 Bromination of Benzene 41 Invertase Sucrose into Glucose or Fructose
12 Cl2 /FeCl3 Chlorination of Benzene 42 Zymase Glucose or Fructose into ethanol
13 CH3Cl /AlCl3 alkylation of benzene and its derivatives 43 HI Ether into alcohol & alkyl halide
14 CH-CO-Cl /AlCl3 Acylation on benzene 44 PCC alcohol to aldehyde
15 H2SO4 /HNO3 Nitration of benzene 45 Pd /BaSO4,H2 acid chloride into aldehyde
16 (CHCO)2O /AlCl3 O – Acylation of Phenol 46 SnCl2/HCl/H3O+ Cyanides into aldehydes
17 H2SO4 Sulphonation on Benzene 47 AlH(i-Bu)2/H2O Cyanides into aldehydes
18 H2O/ H 2SO4 alkenes into alcohols 48 DIBAL-H/H2O Esters into aldehydes
Aq KOH Alkyl halide into alcohol 49 CrO2Cl2/H2O Toluene to aldehyde
19 BH3 /H2O 2 /OH- Alkenes into alcohols (Anti 50 CrO3 /(CH 3CO)2O Toluene into Benzaldehyde
Markownikoff product) 51 Cl2/hv Chlorination on alkyl group of Benzene or
20 NaBH4/ LiAlH4(LAH) Aldehydes, ketones, acids into alcohols, alkane
Nito & Cynides , Isocyanides into amines 52 CO, HCl anhydrous AlCl3 Benzene to Benzaldehyde
21 H2/ Ni or H2/Pd reduction of aldehydes, ketones and 53 (CH3)2Cd acid chloride into ketones
cynides 54 RMgX/H3O + Cyanides into ketones
22 RMgX/H3O + Aldehydes, ketones into alcohls 55 HCN Carbonyl compound into cyanohydrin
23 O2/H+ Cumene to phenol 56 NaHSO3 addition to aldehyde and ketone
24 Na Alcohol or phenol into Sodium 57 H2NOH carbonyl compound into oxime
alkoxide/Phenoxide 58 H2N-NH2 carbonyl compound into hydrazone
25 (CHCO)2O/ CH-CO-Cl O acylation on phenol or N acylation on 59 H2N-NH-Ph carbonyl compound into Phenyl
Aneline or amine hydrazone
26 Conc.H 2SO4/443K Conversion of primary alcohols into 60 2,4DNP carbonyl compound into 2,4 dinitro
Alkenes phynyl hydrazone
27 Conc.H 2SO4/410K Conversion of alcohols into Ethers 61 H2N-NH-CO-CH3 carbonyl compound into semi carbazide
28 85% H3POK Secondary alcohol into alkene 62 ROH/HCl Aldehydes & ketones into hemiacetal and
29 20% H3PO4/358K Tertiary alcohol into alkene acetal
Alcoholic KOH Alkyl halide into alkene 63 HO-CH2-CH2-OH/HCl Aldehyde or ketone into ethelene glycol
, ORGANIC REAGENTS
ketone
64 Zn-Hg/HCl carbonyl compound into alkane
65 H2N-NH2 /KOH carbonyl compound into alkane
66 KMnO 4/OH-/ K2Cr2O7 Ketones into mixture of carboxylic acids
/H2SO4 or HNO3 on prolonged oxidation
67 (Ag(NH 3)2)NO3+NaOH Tollen’s test
68 Cu(OH)2 Fehiling’s test
69 NaOH+I2 Iodoform
70 NaOH or Ba(OH)2 aldal condensation
71 Conc KOH or NaOH Cannizaro’s reaction
72 KMnO 4 /KOH Toluene/alkyl Benzene into Benzoic Acid
73 H2O/H + Cyanides into carboxylic acids, amides
into carboxylic acids, esters into
carboxylic acis and alcohols, acid
chlorides or anhydrides into carboxylic
acids
74 NaOH Saponificaiton of ester, acid into salt of
acid
75 Na2CO3 or NaHCO3 Carboxylic acid test
76 P4O 10 or P2O5 Dehydration of acids into anhydride,
amides into nitriles
77 ROH/conc H2SO 4 Caroxylic acids into esters
78 PCl3, SoCl2, PCl5 Carboxylic acids into acid chlorides
79 NH3 heating Carboxylic acids into amides
80 NaOH/CaO Decarboxylation (acids into alkanes)
81 LiAlH4 Carboxylic acids into alcohols, amides
into amines
82 Cl2 /red.P4 HVZ reaction
83 Sn /HCl or Fe /HCl, H2/Pd Reduction of nitro compounds into
amines
84 NH3 Alkyl halides into amines
85 H2/ Ni or H2/Pd LiAlH4 Amides into cyanindes
86 KOH/R-X Phthalamide into amine
87 NaOH /Br2 Hoffman bromamide, amide into amine
with one ‘C’less
88 KOH,CHCl3 Amines into Carbyl amines
89 NaNO2/HCl 10 aliphatic amines into alcohols
90 NaNO2/HCl 0 – 50C Aniline into diazonium chloride
91 C6H5SO 2Cl Distinguishing 10,20 & 30 amines
92 Br2/H2O Aneline into tri bromo aniline
93 Br2/ CH-CO-Cl Aniline into Bromo Aniline
/(CHCO)2O
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