An organic compound X on treatment with acidified K2Cr2O7, gives compound Y which reacts with I2, and NaOH to form CHI3. The compound X can be-

1. CH3OH

2. CH3CHO 

3. CH3COCH3

4. CH3CH(OH)CH3

Subtopic:  Aldehydes & Ketones |
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Which of the following gives the fastest Lucas test?

1. CH2 = CH-CH2OH

2. C6H5 - CH2OH

Subtopic:  Differentiation of Organic Compound |
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 hvSO2Cl2(A)NBS(B)KSH(C), Product (C) is:

 

Subtopic:  Aromatic Conversion |
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Which of the reagents shown below would accomplish the following transformations?

      A                                     B
(a) H3O+                   BH3 - THF; H2O2/NaOH
(b) NaOH                   BH3 - THF; H2O2/NaOH
(c) HBr in ether          Hg(OAc)2/H2O; NaBH4
(d) NaNH2                  Hg(OAc)2/H2O; NaBH4

Subtopic:  conversion chart for n to n carbon |
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, the missing reagent is:-

(1) CF3CO3H

(2) H2SO

(3) LAH

(4) NaBH4

Subtopic:  Aromatic Conversion |
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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 |
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can be differentiated by:

(1) Hinsberg test                 

(2) Iso-cyanide test

(3) NaNO2, HCl, then β-Naphthol     

(4) NaOH

Subtopic:  Aromatic Conversion |
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(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 |
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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 |
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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 |
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