ECAT Chemistry Chapter 22 Alcohols, Phenols and Ethers Online Test With Answers

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ECAT Chemistry Chapter 22 Alcohols, Phenols and Ethers Online Test

Sr. # Questions Answers Choice
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
2 When sodium metal reacts with alcohols Hydrogen gas evolves Sodium hydroxide is obtained Alcohol is reduced Alcohol is polymerised
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
4 Which is not the enzyme involved in the preparation of ethyl alcohol by fermentation of starch Diastase Maltase Zymase Invertase
5 Which the increase in carbon number of solubility of an alcohol Increases Decreases Remains unaffected None of these
6 A primary alcohol A secondary alcohol An eher A phenol
7 Alcohols, phenols and ethers may be considered as derivative of Hydrocarbons Benzene Carboxylic acid Water
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
9 Which compound contains - OH in their molecule Alcohol Phenol Alcohol and phenol Ether
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