[{"id":156407,"question":"Hydrocarbons contain :","choices":[{"text":"Carbon only carbon","value":"A"},{"text":"Hydrogen only","value":"B"},{"text":"Carbon &amp; hydrogen","value":"C"},{"text":"Carbon , hydrogen &amp; halogen","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":156402,"question":"Which one gives acidic reactions?","choices":[{"text":"CH<sub>3</sub>----C<span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">≡C-------CH<sub>3</sub></span>","value":"A"},{"text":"CH<sub>3</sub>-----CH<sub>2</sub>-----HC=CH----CH<sub>2</sub>","value":"B"},{"text":"CH<sub>3</sub>----CH=CH<sub>2</sub>","value":"C"},{"text":"CH<sub>3</sub>-----C<span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">≡CH</span>","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":156400,"question":"Mustard gas is a :","choices":[{"text":"Gas","value":"A"},{"text":"Liquid","value":"B"},{"text":"Solid","value":"C"},{"text":"High boiling point","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":156399,"question":"During reaction of O<sub>2</sub>and alkenes, a product:","choices":[{"text":"Glycol","value":"A"},{"text":"Epxide","value":"B"},{"text":"Halohydrin","value":"C"},{"text":"Ethylene glycol","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":156395,"question":"Hybridization in alkanes is:","choices":[{"text":"sp","value":"A"},{"text":"sp<sup>2</sup>","value":"B"},{"text":"sp<sup>3</sup>","value":"C"},{"text":"dsp<sup>2</sup>","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":156393,"question":"Which is liquid among the following alkenes?","choices":[{"text":"Ethane","value":"A"},{"text":"Propene","value":"B"},{"text":"Butene","value":"C"},{"text":"Pentene","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":156391,"question":"Eletronegativity difference in C-C bond in alkanes is:","choices":[{"text":"Zero","value":"A"},{"text":"Double","value":"B"},{"text":"Half","value":"C"},{"text":"4.0","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":156390,"question":"Alkanes are least reactive towards:","choices":[{"text":"Acids and bases","value":"A"},{"text":"Reducing agents","value":"B"},{"text":"Oxidizing agents","value":"C"},{"text":"All of these","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":156388,"question":"Boiling point of n-butane is:","choices":[{"text":"-102<span style=\"color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;\">°C</span>","value":"A"},{"text":"-75<span style=\"color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;\">°C</span>","value":"B"},{"text":"-55<span style=\"color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;\">°C</span>","value":"C"},{"text":"55<span style=\"color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;\">°C</span>","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":156387,"question":"Alkanes are gases :","choices":[{"text":"C<sub>1</sub>-C<sub>4</sub>","value":"A"},{"text":"C<sub>5</sub>-C<sub>10</sub>","value":"B"},{"text":"C<sub>11</sub>-C<sub>15</sub>","value":"C"},{"text":"C<sub>10</sub>-C<sub>20</sub>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":156385,"question":"Alkyne is :","choices":[{"text":"CH<sub>3-</sub>CH<sub>3</sub>","value":"A"},{"text":"CH<sub>4</sub>","value":"B"},{"text":"CH<sub>2=</sub>CH<sub>2</sub>","value":"C"},{"text":"C<sub>2</sub>H<sub>2</sub>","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":156383,"question":"Alkene general formula :","choices":[{"text":"C<sub>n</sub>H<sub>2n+2</sub>","value":"A"},{"text":"C<sub>n</sub>H<sub>2n</sub>","value":"B"},{"text":"C<sub>n</sub>H<sub>2n-2</sub>","value":"C"},{"text":"C<sub>n</sub>H<sub>2n+1</sub>","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":156381,"question":"Odour of alkene is:","choices":[{"text":"Fruity","value":"A"},{"text":"Odourless","value":"B"},{"text":"Zarlic like","value":"C"},{"text":"Irritating","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":156379,"question":"acetylene can be converted into-while passing through a Cu-tube at 300<span style=\"color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: 16px;\">°C:</span>","choices":[{"text":"Glyoxal","value":"A"},{"text":"Vinyl acetylene","value":"B"},{"text":"Vinyl alcohol","value":"C"},{"text":"Benzene","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":156377,"question":"Which is more active ?","choices":[{"text":"Alkanes","value":"A"},{"text":"Alkenes","value":"B"},{"text":"Alkynes","value":"C"},{"text":"Benzene","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":156375,"question":"Alkanes have functional group :","choices":[{"text":"----X","value":"A"},{"text":"--OH","value":"B"},{"text":"----COH","value":"C"},{"text":"No functional group","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":156373,"question":"Free radical mechanism of halogenation of alkanes follow step:","choices":[{"text":"Initiation","value":"A"},{"text":"Propagation","value":"B"},{"text":"Termination","value":"C"},{"text":"All of these","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":156371,"question":"Which is symmetric alkene?","choices":[{"text":"CH=C-CH<sub>2</sub>","value":"A"},{"text":"CH<span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">≡CH</span>","value":"B"},{"text":"CH<sub>3</sub>-C<span style=\"color: rgb(84, 84, 84); font-family: arial, sans-serif; font-size: small;\">≡C - CH<sub>3</sub></span>","value":"C"},{"text":"B and C","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":156368,"question":"Which decolourizes the colour of Br<sub>3</sub>","choices":[{"text":"CH<sub>4</sub>","value":"A"},{"text":"CH<sub>3-</sub>CH<sub>3-</sub>CH<sub>3</sub>","value":"B"},{"text":"CH<sub>2=</sub>CH<sub>2</sub>","value":"C"},{"text":"CH<sub>3-</sub>CH<sub>3</sub>","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":156367,"question":"Reaction of ethanes with KMnO<sub>4 </sub>gives:","choices":[{"text":"Ozonide","value":"A"},{"text":"Glyoxal","value":"B"},{"text":"Glycol","value":"C"},{"text":"Oxalic acid","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":156365,"question":"Which one of the following gases is used for artificial ripening of fruits ?","choices":[{"text":"Ethane","value":"A"},{"text":"Ethyne","value":"B"},{"text":"Methane","value":"C"},{"text":"Propane","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":156362,"question":"When methane reacts with Cl<sub>2</sub>in the presence of diffused light the products obtained are?","choices":[{"text":"Chloroform only","value":"A"},{"text":"Carbon tetrachloride only","value":"B"},{"text":"Chloromethane and dichloromethane","value":"C"},{"text":"Mixture of a,b,c","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":156360,"question":"<span style=\"color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: small;\">β-</span><span style=\"color: rgb(34, 34, 34); font-family: arial, sans-serif; font-size: small;\">β- dichloroethyle sulphide is commonly known as:</span>","choices":[{"text":"Mustared gas","value":"A"},{"text":"Laughing gas","value":"B"},{"text":"Phosgene gas","value":"C"},{"text":"Bio gas","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":156356,"question":"Synthesis rubber is made by polymerization :","choices":[{"text":"Chloroform","value":"A"},{"text":"Acetylene","value":"B"},{"text":"Divinyl acetylene","value":"C"},{"text":"Butene","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":156354,"question":"The addition of unsymmetrical reagent to unsymmetrical alkene is in accordance with the rule:","choices":[{"text":"Hund's rule","value":"A"},{"text":"Markownikov's rule","value":"B"},{"text":"Pauli's Exclusion Principle","value":"C"},{"text":"Auf bau Principle","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":156352,"question":"Vinyl acetylene combines with HCl to form:","choices":[{"text":"Polyacetylene","value":"A"},{"text":"Benzene","value":"B"},{"text":"Chloroprene","value":"C"},{"text":"Divinyl acetylene","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":156350,"question":"The presence of a double bond in a compound in the sign of:","choices":[{"text":"Saturation","value":"A"},{"text":"Unsaturation","value":"B"},{"text":"Subsitution","value":"C"},{"text":"None","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":156348,"question":"Formula of chloroform is:","choices":[{"text":"CH<sub>3</sub>Cl","value":"A"},{"text":"CCl<sub>4</sub>","value":"B"},{"text":"CH<sub>2</sub>Cl<sub>2</sub>","value":"C"},{"text":"CHCl<sub>3</sub>","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":156346,"question":"Preparation of vegetable ghee involves:","choices":[{"text":"Halogenation","value":"A"},{"text":"Hydrogenation","value":"B"},{"text":"Hydroxylation","value":"C"},{"text":"Dehydrogenation","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":124738,"question":"Benzene is prepared from n-hexane in the presence of catalyst","choices":[{"text":"Cr<sub>2</sub>O<sub>3</sub>","value":"A"},{"text":"Al<sub>2</sub>O<sub>3</sub>","value":"B"},{"text":"SiO<sub>2</sub>","value":"C"},{"text":"All above","value":"D"},{"value":"E"}],"correctAnswer":4}]