[{"id":112248,"question":"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 K<sub>2</sub>Cr<sub>2</sub>O<sub>7</sub>and H<sub>2</sub>SO<sub>4</sub>. The colour changes, if the driver is drunk","choices":[{"text":"From orange to green","value":"A"},{"text":"From pink to green","value":"B"},{"text":"From orange to colorless","value":"C"},{"text":"From pink to colorless","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":112246,"question":"When sodium metal reacts with alcohols","choices":[{"text":"Hydrogen gas evolves","value":"A"},{"text":"Sodium hydroxide is obtained","value":"B"},{"text":"Alcohol is reduced","value":"C"},{"text":"Alcohol is polymerised","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":112245,"question":"The boiling points of alcohols are higher than the corresponding alkanes, This is because","choices":[{"text":"Of hydrogen bonding existing between molecules of alcohols","value":"A"},{"text":"Alkanes are dipolar compounds","value":"B"},{"text":"Alcohols are sweet in taste","value":"C"},{"text":"Alcohols are soluble in water","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":112244,"question":"Which is not the enzyme involved in the preparation of ethyl alcohol by fermentation of starch","choices":[{"text":"Diastase","value":"A"},{"text":"Maltase","value":"B"},{"text":"Zymase","value":"C"},{"text":"Invertase","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":112243,"question":"Which the increase in carbon number of solubility of an alcohol","choices":[{"text":"Increases","value":"A"},{"text":"Decreases","value":"B"},{"text":"Remains unaffected","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":112242,"question":"","questionImage":"112242_636320823007034677-RQ.jpg","choices":[{"text":"A primary alcohol","value":"A"},{"text":"A secondary alcohol","value":"B"},{"text":"An eher","value":"C"},{"text":"A phenol","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":112240,"question":"Alcohols, phenols and ethers may be considered as derivative of","choices":[{"text":"Hydrocarbons","value":"A"},{"text":"Benzene","value":"B"},{"text":"Carboxylic acid","value":"C"},{"text":"Water","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":112238,"question":"The formula of secondary alcohol is","choices":[{"text":"R - OH","value":"A"},{"text":"R - CH<sub>2</sub>OH","value":"B"},{"text":"R<sub>2</sub>CHOH","value":"C"},{"text":"R<sub>3</sub>COH","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":112235,"question":"Which compound contains - OH in their molecule","choices":[{"text":"Alcohol","value":"A"},{"text":"Phenol","value":"B"},{"text":"Alcohol and phenol","value":"C"},{"text":"Ether","value":"D"},{"value":"E"}],"correctAnswer":3}]