[{"id":112098,"question":"Which can be used for dehydration of alcohol","choices":[{"text":"P<sub>4</sub>O<sub>10</sub>","value":"A"},{"text":"H<sub>2</sub>SO<sub>4</sub>","value":"B"},{"text":"H<sub>3</sub>PO<sub>4</sub>","value":"C"},{"text":"All of them","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":112097,"question":"Preparation of vegetable ghee involves","choices":[{"text":"Halogenations","value":"A"},{"text":"Hydrogenations","value":"B"},{"text":"Hydroxylation","value":"C"},{"text":"Dehydrogenations","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":112096,"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":1},{"id":112095,"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":112094,"question":"B-B'-dichloroethyl sulphide is commonly known as","choices":[{"text":"Mustard gas","value":"A"},{"text":"Laughing gas","value":"B"},{"text":"Phosgene gas","value":"C"},{"text":"Bio gas","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":112093,"question":"Synthetic rubber is made by polymerization of","choices":[{"text":"Chloroform","value":"A"},{"text":"Acetylene","value":"B"},{"text":"Divinlacetylene","value":"C"},{"text":"Butene","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":112092,"question":"The addition of unsymmetrical reagent to an unsymmetrical alkene is in accordance with","choices":[{"text":"Hund's rule","value":"A"},{"text":"Markownikov's rule","value":"B"},{"text":"Pauli's Exclusion principle","value":"C"},{"text":"Auf ban principle","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":112091,"question":"Vinyl acetylene combines with HCI to form","choices":[{"text":"Poly acetylene","value":"A"},{"text":"Benzene","value":"B"},{"text":"Chloroprene","value":"C"},{"text":"Divinylacetylene","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":112090,"question":"The correct order of reactivity of halogens with alkanes is","choices":[{"text":"l<sub>2</sub>&gt; Br<sub>2</sub>&gt; Cl<sub>2</sub>&gt; F<sub>2</sub>","value":"A"},{"text":"l<sub>2</sub>&gt; Cl<sub>2</sub>&gt; F<sub>2</sub>&gt; Br<sub>2</sub>","value":"B"},{"text":"F<sub>2</sub>&gt; Cl<sub>2</sub>&gt; l<sub>2</sub>&gt; Br<sub>2</sub>","value":"C"},{"text":"F<sub>2</sub>&gt; Cl<sub>2</sub>&gt; Br<sub>2</sub>&gt; l<sub>2</sub>","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":112088,"question":"Formula of chloroform is","choices":[{"text":"CH<sub>3</sub>CI","value":"A"},{"text":"CCI<sub>4</sub>","value":"B"},{"text":"CH<sub>2</sub>CI<sub>2</sub>","value":"C"},{"text":"CHCI<sub>3</sub>","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":112087,"question":"Preparation of vegetable ghee involves","choices":[{"text":"Halogenations","value":"A"},{"text":"Hydrogenation","value":"B"},{"text":"Hydroxylation","value":"C"},{"text":"Dehydrogenation","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":112086,"question":"When n-hexane is heated in the presence of Pt at 500°C, it cyclists to give","choices":[{"text":"Benzene","value":"A"},{"text":"Cyclohexene","value":"B"},{"text":"Benzene","value":"C"},{"text":"Toluene","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":112085,"question":"The geometry of acetylene is","choices":[{"text":"Angular","value":"A"},{"text":"Bent","value":"B"},{"text":"Trigonal","value":"C"},{"text":"Linear","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":112084,"question":"The sp<sup>2</sup>hybird orbitals are oriented in space at one angle","choices":[{"text":"180°","value":"A"},{"text":"109.5°","value":"B"},{"text":"100°","value":"C"},{"text":"120°","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":112083,"question":"The molecule of ethane possess which hybrization","choices":[{"text":"sp<sup>3</sup>","value":"A"},{"text":"sp<sup>2</sup>","value":"B"},{"text":"sp","value":"C"},{"text":"sp<sup>2</sup>d","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":112082,"question":"Acetylene is used in the manufacture of","choices":[{"text":"Rubber","value":"A"},{"text":"Plastic","value":"B"},{"text":"Ethyle alcohol","value":"C"},{"text":"All of these","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":112081,"question":"Acetylene when treated with 10% H<sub>2</sub>SO<sub>4</sub>in the presence of HgSO<sub>4</sub>adds one molecule of water to form","choices":[{"text":"Aldehydes","value":"A"},{"text":"Esters","value":"B"},{"text":"Alcohols","value":"C"},{"text":"Acids","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":112079,"question":"Which gas is used for welding purposes","choices":[{"text":"Butane","value":"A"},{"text":"Nitrogen","value":"B"},{"text":"Methane","value":"C"},{"text":"Acetylene","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":112077,"question":"Which gas is produced by treating CaC<sub>2</sub>with water","choices":[{"text":"Methane","value":"A"},{"text":"Ethane","value":"B"},{"text":"Acetylene","value":"C"},{"text":"HCI","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":112074,"question":"Which of the following decolorized Br<sub>2</sub>-water","choices":[{"text":"Methane","value":"A"},{"text":"Ethane","value":"B"},{"text":"Ethene","value":"C"},{"text":"Propane","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":112072,"question":"Ethylene decolorizes cold dilute solution of KMnO<sub>4</sub>. This test is known as","choices":[{"text":"Colouration test","value":"A"},{"text":"Baeyer's test","value":"B"},{"text":"Silver mirror test","value":"C"},{"text":"Ring test","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":112070,"question":"Ethylene polymerizes at 100 atm pressure and 400°C to give","choices":[{"text":"Polybenzene","value":"A"},{"text":"Polyalcohol","value":"B"},{"text":"Polypropylene","value":"C"},{"text":"Polyethylene","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":112069,"question":"C<sub>18</sub>and onward hydrocarbons are normally","choices":[{"text":"Gases","value":"A"},{"text":"Liquids","value":"B"},{"text":"Solids","value":"C"},{"text":"Plasma","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":112067,"question":"Ethylene combines with water in the presence of H<sub>2</sub>SO<sub>4</sub>+ HgSO<sub>4</sub>and forms","choices":[{"text":"Ethyle chloride","value":"A"},{"text":"Ethyle alcohol","value":"B"},{"text":"Carboxylic acid","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":112064,"question":"Alkenes combine readily with electrophillic reagents such as halogens giving","choices":[{"text":"Haloalkanes","value":"A"},{"text":"Gem-dihalides","value":"B"},{"text":"Vicinal dihalides","value":"C"},{"text":"Vinyl halides","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":112061,"question":"The elimination of HX from adjacent carbon atoms is called","choices":[{"text":"Halogenations","value":"A"},{"text":"Hydrohalogenation","value":"B"},{"text":"Dehydrohalogenation","value":"C"},{"text":"Hydration","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":112058,"question":"Ethylene can be prepared in the laboratory by heating together ethyl alcohol and","choices":[{"text":"HCI","value":"A"},{"text":"Phenol","value":"B"},{"text":"HF","value":"C"},{"text":"H<sub>2</sub>SO<sub>4</sub>","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":112057,"question":"When an aqueous solution of potassium salt of monocarboxylic acid is subjected to electrolysis, corresponding alkane is formed. This reation is known as","choices":[{"text":"Cannizaro reaction","value":"A"},{"text":"Sabatier-secderens reaction","value":"B"},{"text":"Alkylation","value":"C"},{"text":"Kolbe's reaction","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":112055,"question":"Alkyl halides when reduced with nascent hydrogen in the presence of Zn + HCI, are converted to","choices":[{"text":"Alkynes","value":"A"},{"text":"Alkenes","value":"B"},{"text":"Alkanes","value":"C"},{"text":"Alcohol","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":112053,"question":"Zn + HCI are used in","choices":[{"text":"Clemenson reduction","value":"A"},{"text":"Wof kishner reduction","value":"B"},{"text":"Kolb's electrolysis","value":"C"},{"text":"Wutruz reaction","value":"D"},{"value":"E"}],"correctAnswer":1}]