| 1 |
Ethyl alcohol on oxidation with K2Cr2O7gives
|
A. Acetic acid
B. Acetaldehyde
C. Formaldehyde
D. Formic acid
|
| 2 |
Alcohols react with carboxylic acid to produce the class of compounds known as
|
A. Grignard's reagent
B. Esters
C. Amides
D. None of these
|
| 3 |
When alcohol reacts with concentreated H2SO4intermediate compound formed as
|
A. carbonium ion
B. alkoxy ion
C. alkyl hydrogen sulphate
D. non of these
|
| 4 |
Treatment of a secondary alcohol with a suitable oxidizing agent (K2Cr2O7) results in the formation of
|
A. Ketone
B. Aidehyde
C. Ether
D. Alkyl halide
|
| 5 |
An organic compound A reacts with methyl magnesium iodide to form an addition product which on hydrolysis forms the compound B . Compound B gives blue colour salt in Victor Meyer's test.The compounds A and B are respectively
|
A. Acetaldehyde, tertiary butyl alcohol
B. Acetaldehyde, ethyl alcohol
C. Acetaldehyde, isopropyl alcohol
D. Acetone, isopropyl alcohol
|
| 6 |
Alcohol reacts with halogen acid to produce
|
A. Alkyl halides
B. Aldelydes
C. Ketones
D. Alkanes
|
| 7 |
Glucose in the presence of zymase is converted into
|
A. Alcohol
B. Acid
C. Ethyl alcohol
D. Ketone
|
| 8 |
The organic compounds which are derivative of hydrocarbons of oxygen are:
|
A. Carbohydrates
B. Phenols
C. Alcohals
D. All of these
|
| 9 |
Which isomers of C5H11OH gives, on dehydration, the greatest number of different alkenes
|
A.
B.
C.
D.
|
| 10 |
Alcohols are named by replacing 'e' of alkane with:
|
A. al
B. ene
C. ol
D. one
|
| 11 |
The test used for the detection of ethanol in the mouth of a drunk driver is that the drunk driver is asked to blow air from mouth into a solution of K2Cr2O7and H2SO4. The colour changes, if the driver is drunk
|
A. From orange to green
B. From pink to green
C. From orange to colorless
D. From pink to colorless
|
| 12 |
Phenol is heated with CCl4and alkaline KOH when salicylic acid is produced.The reaction is known as
|
A. Frledel-Craft reaction
B. Riemer-Tiemann's reaction
C. Rosenmund's reaction
D. Sommelet reaction
|
| 13 |
Which of the following cannot be produced by acidic dehydration of alcohols?
|
A. Ethers
B. Aldehyde
C. Alkyl Hydrogen sulphate
D. Alkene
|
| 14 |
Na reacts with phenol to produce
|
A. H2gas
B. Benzene
C. CO2gas
D. CO gas
|
| 15 |
The formula of secondary alcohol is
|
A. R - OH
B. R - CH2OH
C. R2CHOH
D. R3COH
|
| 16 |
When ethylene glycol is heated with acidified potassium permanganate, the main organic compound obtained is
|
A. Oxalic acid
B. Glyoxal
C. Formic acid
D. Ethanol
|
| 17 |
Concentration of rectified spirit is:
|
A. 12%
B. 14%
C. 90%
D. 95%
|
| 18 |
Rectified spirit contains alcohol about:
|
A. 80%
B. 85%
C. 90%
D. 95%
|
| 19 |
Ethyl alcohol may be identified by
|
A. Ring test
B. Iodoform test
C. Tollen's test
D. Bazeyer's test
|
| 20 |
To prepare ethanol by fernentation the optimum temp. is
|
A. 10 - 20°C
B. 25 - 30°C
C. 20°C
D. 35°C
|
| 21 |
Phenol was discovered by:
|
A. Hofmann
B. Runge
C. Henderson
D. Bakelite
|
| 22 |
Dow's process is used for the preparation of
|
A. Ester
B. Ethers
C. Alcohols
D. Phenols
|
| 23 |
Which the increase in carbon number of solubility of an alcohol
|
A. Increases
B. Decreases
C. Remains unaffected
D. None of these
|
| 24 |
Oxidation of ter-alcohol gives:
|
A. Aldehyde
B. Formaldehyde
C. Ketone
D. Alkens
|
| 25 |
According to Lewis concept ethers behave as:
|
A. Acid
B. Base
C. Acid as well as a base
D. None of them
|
| 26 |
Ethanol can be converted into ethanoic acid by
|
A. Hydrogenation
B. Hydration
C. Oxidation
D. Fermentation
|
| 27 |
Phenols are derivative of:
|
A. Alkanes
B. Alkenes
C. Alkynes
D. Benzene
|
| 28 |
Phenol is a weak acid. The correct order of acid strength of carboxylic acid, phenol and alcohol is
|
A. Carboxylic acid > phenol > alcohol
B. Carboxylic acid > alcohol > phenol
C. Phenol > carboxylic acid > alcohol
D. Alcohol > phenol > carboxylic acid
|
| 29 |
In Lucas test teriary alcohol make an oily layer
|
A. Immediately
B. In 10 mins
C. On heating
D. Not
|
| 30 |
Ethyl alcohol is industrially prepared from ethylene by
|
A. permanganate oxidation
B. Catalytic reduction
C. Absorbing in H2SO4followed by hydrolysis
D. Fermentation
|