1 |
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 |
From orange to green
From pink to green
From orange to colorless
From pink to colorless
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2 |
When sodium metal reacts with alcohols |
Hydrogen gas evolves
Sodium hydroxide is obtained
Alcohol is reduced
Alcohol is polymerised
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3 |
The boiling points of alcohols are higher than the corresponding alkanes, This is because |
Of hydrogen bonding existing between molecules of alcohols
Alkanes are dipolar compounds
Alcohols are sweet in taste
Alcohols are soluble in water
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4 |
Which is not the enzyme involved in the preparation of ethyl alcohol by fermentation of starch |
Diastase
Maltase
Zymase
Invertase
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5 |
Which the increase in carbon number of solubility of an alcohol |
Increases
Decreases
Remains unaffected
None of these
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6 |
|
A primary alcohol
A secondary alcohol
An eher
A phenol
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7 |
Alcohols, phenols and ethers may be considered as derivative of |
Hydrocarbons
Benzene
Carboxylic acid
Water
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8 |
The formula of secondary alcohol is |
R - OH
R - CH<sub>2</sub>OH
R<sub>2</sub>CHOH
R<sub>3</sub>COH
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9 |
Which compound contains - OH in their molecule |
Alcohol
Phenol
Alcohol and phenol
Ether
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