Which of the reagents shown below would accomplish the following transformations?

      A                                     B
1. H3O+                   BH3-THF; H2O2/NaOH
2. NaOH                  BH3-THF; H2O2/NaOH
3. HBr in ether         Hg(OAc)2/H2O; NaBH4
4. NaNH2                 Hg(OAc)2/H2O; NaBH4

Subtopic:  conversion chart for n to n carbon |
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

, the missing reagent is:-

(1) CF3CO3H

(2) H2SO

(3) LAH

(4) NaBH4

Subtopic:  Aromatic Conversion |
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Compound  and CH3-CH2-O-CH2-CH3(Q) can be differentiated by

(1) H3O, Na

(2) H3O, Tollens' test

(3) H3O, Fehling test

(4) All of these

Subtopic:  conversion chart for n to n carbon |
 64%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

can be differentiated by:

1. Hinsberg test                 

2. Iso-cyanide test

3. NaNO2, HCl, then β-Naphthol     

4. NaOH

Subtopic:  Aromatic Conversion |
 62%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

                   

(p-ethyl phenol) (p-methyl anisole) (p-ethyl benzyl alcohol)

Above compounds can be differentiated by using the reagent:-

(a) NaOH, Tollen's reagent, FeCl3

(b) CrO3, Tollen's reagent, FeCl3,

(c) Tollen's reagent, CrO3, FeCl3

(d) Na, Tollen's reagent, FeCl3

 

 

Subtopic:  Aromatic Conversion |
 52%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

Give test to differentiate (Bromobenzene) Ph-Br and benzyl bromide (PhCH2Br).
(1) (i) aq. KOH (ii) Na

(2) AgNO3

(3) KMnO4

(4) All these

Subtopic:  Aromatic Conversion |
 75%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

Give test to differentiate 1,1-dichloroethane and 1, 2-dichloroethane:
1. 2,4-DNP then aq. KOH

2. Aq. KOH then 2, 4-DNP

3. NaHSO3

4. Lucas reagent

Subtopic:  conversion chart for n to n carbon |
 66%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

In the dehydration reaction,
    CH3CONH2P2O5CH3CN,
the hybridization state of carbon changes from:

(1) sp3 to sp2

(2) sp to sp

(3) sp2 to sp

(4) sp to sp3

Subtopic:  conversion chart for n to n carbon |
 85%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

The reagent used in dehydrohalogenation process is:

1. Alcoholic KOH

2. NaNH2

3. C2H5ONa

4. All of these

Subtopic:  conversion chart for n to n carbon |
 75%
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints

advertisementadvertisement

The reaction, CH2=CHCHOHXgives:

1. CH3CHXCHO

2. CH2XCHCHO

3. CH2=CHCHX2

4. None of these

Subtopic:  Differentiation of Organic Compound |
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints