Lubricant used in watch is:

  • coconut oil               

  • pine oil

  • animal oil                 

  • glycerol

The value of C-O-C angle in ether molecule is -

  • 180°

  • 150°

  •    90°

  • 110°

Pyroligneous acid contains:

  • CH3COOH (10%), CH3OH (2.5%), CH3COCH3 (0.5%)

  • C2H5OH (10%), CH3OH (2.5%), CH3COCH3 (0.5%)

  • CH3COCH3 (10%), C2H5OH (2.5%), CH3OH (0.5%)

  • none of the above

An aldehyde on treatment with Zn/HCl yields:

  • 1°  alcohol                       

  • 2°  alcohol

  • 3°  alcohol                       

  • None of the above

The alcohol that gives carboxylic acids having the same number of carbon atoms is -

  • Primary

  • Secondary

  • Tertiary

  • None of the above.

The toxicity order for CH3OH, C2H5OH and C3H7OH is:

  • C2H5OH < CH3OH < C3H7OH

  • C3H7OH < C2H5OH < CH3OH

  •  C2H5OH < C3H7OH < CH3OH 

  • CH3OH < C2H5OH < C3H7OH

The organic compound present in the tincture of iodine is:

  • Alcohol

  • CCI4

  • Acetone

  • CS2

The cleavage of an aryl-alkyl ether with hydrogen halide will give:

  • a molecule each of an alkyl halide and water

  • a molecule each of an aryl halide and water

  • a molecule each of an alkyl halide, aryl halide and water

  • a molecule each of phenol and an alkyl halide

Wood spirit is:

  • CH3OH

  • C2H5OH

  • CH3CH2CH2OH

  • None of the above

Ether fire can be extinguished by:

  • sand

  • pyrene

  • CO2

  • all of these

Phenol is:

  • a stronger weaker than NH3

  • an acid stronger than carbonic acid

  • an acid weaker than carbonic acid

  • None of the above

Identify Z in the following series,
CH3-CH2-CH2OH →160 -180°CConc. H2SO4X→Br2Y→2. NaNH21. Alc. KOHZ
  •  CH3—CH—CH2                |          |            NH2      NH2

  •  CH3—CH—CH2                |         |               OH     OH

  •  CH3—C=CH2              |            OH

  •  CH3—C≡CH

Purity of ether before using it as anaesthetic agent is tested by :-

  • KI + starch

  • CuSO4

  • H2SO4

  • none of these

The reaction;

 RCOOH →C2H5OH + NaRCH2OH is called:

 

  • Corey House reaction

  • Bonveault-Blanc reaction

  • Clemmensen reduction

  • none of the above

C2H5OH cannot be dried by anhydrous CaCl2, because:

  • C2H5OH is soluble in water

  • explosion takes place

  • C2H2OH reacts with CaCl2

  • none of the above

Which of the following undergoes dehydration most readily?

  • 1-phenyl-1-butanol

  • 1-phenyl-2-butanol

  • 2-phenyl-2-butanol

  • 2-phenyl-1-butanol

Glycerol on oxidation with Fenton's reagent produces:

  • glyceraldehyde

  • dihydroxy acetone

  • tartonic acid

  • glyceraldehyde and dihydroxy acetone

The alcohol that forms fats with fatty acids is:

  • glycerol

  • ethanol

  • methanol

  • glycol

The explosive nitroglycerine is:

  • a soap

  • a salt

  • an ester

  • a complex compound

When an ether is treated with P2S5 we get:

  • thio-alcohol

  • thio-ester

  • thio-ether

  • thio-aldehyde

Which one of the following will most readily be dehydrated in acidic conditions?

  •  

  •  

  •  

  •  

1-propanol and 2-propanol can be best distinguished by:-

  • oxidation with alkaline KMnO4 followed by reaction with Fehling's solution

  • oxidation with acidic dichromate followed by reaction with Fehling’s solution

  • oxidation by heating with copper followed by reaction with Fehling’s solution

  • oxidation with conc. H2SO4 followed by reaction with Fehling’s solution

Phenyl magnesium bromide reacts with methanol to give a mixture of:-

  • Anisole and Mg(OH)Br

  • Benzene and Mg(OMe)Br

  • Toluene and Mg(OH)Br

  • Phenol and Mg(Me)Br

When wine is put in air it become sour due to:-

  • oxidation of C2H5OH into CH3COOH

  • bacteria

  • virus

  • formic acid formation

The enzyme which can catalyse the conversion of glucose to ethanol is:

  • zymase

  • diastase

  • maltase

  • invertase

Denatured spirit is mainly used as a:

  • good fuel

  • drug

  • solvent in preparing varnishes

  • material in the preparation of oil

A liquid was mixed with ethanol and a drop of concentrated H2SO4 was added. A compound with a fruity smell was formed. The liquid was:

 

  • HCHO

  • CH3COCH3

  • CH3COOH

  • CH3OH

The main product of the following reaction is:

C6H5CH2CH(OH)CH(CH3)2→Conc. H2SO4?

  •  

  •  

  •  

  •   

Carbolic acid is the name used for:

  • Opium 

  • Phenol

  • Chloroform

  • H2CO3

When phenol is reacted with chloroform and an alkali like NaOH, the compound formed is salicylaldehyde. If we use pyrene in place of chloroform the product obtained is:

  • salicylaldehyde

  • phenolphthalein

  • salicylic acid

  • cyclohexanol

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