Which of the following will give yellow precipitate with I2/NaOH?

1. CH3-CO-O-CO-CH3

4.Both (2) and (3)

Concept Questions :-

Iodoform Reaction
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A nitrogeneous substance X is treated with red P/I2,AgNO2, HNO2 and the product so formed is further treated with NaOH solution, which produces blue colouration. X can be

1. CH3CH2NH2       R   R'  R"  C  OH  Red P+I2     I      AgNO2     NO2

2 CH3CH2NO2

3. CH3CH2ONO

4 (CH3)2CHNO2

Concept Questions :-

1st, 2nd & 3rd Degree Alcohol
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The compound which reacts fastest with Lucas reagent at room temperature is:
1. Butan-1-ol
2. Butan-2-ol
3. 2-methylpropan-1-ol
4. 2-methylpropan-2-ol

Concept Questions :-

1st, 2nd & 3rd Degree Alcohol
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Methanol and ethanol can be distinguished by the following:
1. By reaction with metallic sodium
2. By reaction with caustic soda
3. By heating with iodine and washing soda
4. By heating with zinc and inorganic mineral acid

Concept Questions :-

Alcohols & Phenols
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Identify (X) in the sequence :

C3H8O  (X) H2SO4K2Cr2O7 C3H6O WarmI2 +NaOH CHI3

(1) CH3-CH2-CH2OH

(2) 

(3) CH3-O-CH2-CH3

(4) CH3-CH2-CHO

Concept Questions :-

Iodoform Reaction
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In order to accomplish the following conversion, what reagent and conditions would be required?

1. Cold sodium hydroxide

2. Hot conc. sodium hydroxide

3. Potassium tertiary butoxide and heat

4. Hot water

Concept Questions :-

conversion chart for n to n carbon
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An amine is reacted with benzene sulphonyl chloride then a solid compound is formed which is insoluble in alkali. The amine is:

(a) CH3-CH2-NH2

(b) CH3-NH-CH2-CH3

(c) (CH3)3N

(d) C6H5-NH2

Concept Questions :-

1st, 2nd & 3rd Degree Amines
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Nitrobenzene on electrolytic reduction in strongly acidic medium gives

1. Aniline         2. p-aminophenol

3. m-nitroaniline    4. nitrosobenzene

Concept Questions :-

Aromatic Conversion
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Which of the following will give positive carbylamine test?

1. N, N-diethyl aniline
2. N methyl propyl amine
3. N, N-diethyl butyl amine
4. 2, 4-dimethyl aniline

Concept Questions :-

1st, 2nd & 3rd Degree Amines
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Victor Meyer Test is used for the distinguished of 1°, 2° and 3°

1) Alcohols

2) Alkyl halides

3) Nitro Compounds

4) All of these

Please attempt this question first.

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