[{"id":112135,"question":"SN2 reaction can be best carried out with","choices":[{"text":"Primary alkyl halides","value":"A"},{"text":"Secondary alkyl halides","value":"B"},{"text":"Tertiary alkyl halides","value":"C"},{"text":"All the three","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":112134,"question":"Grignad reagent is reactive due to","choices":[{"text":"The presence of halogen atom","value":"A"},{"text":"The presence of Mg atom","value":"B"},{"text":"The polarity of C - Mg bond","value":"C"},{"text":"None of above","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":112133,"question":"When carbon dioxide is passed through the R - Mg - X is produced","choices":[{"text":"Any carboxylic acid","value":"A"},{"text":"Propanoic acid","value":"B"},{"text":"Propanedioic acid","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":112132,"question":"The reactivity order of alkyl halides for a paricular alkyl group is","choices":[{"text":"Fluoride &gt; chloride &gt; bromide &gt; iodide","value":"A"},{"text":"Chloride &gt; bromide &gt; fluoride &gt; iodide","value":"B"},{"text":"Iodide &gt; bromide &gt; chloride &gt; fluoride","value":"C"},{"text":"Bromide &gt; iodide &gt; chloride &gt; fluoride","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":112131,"question":"An electrophile may be","choices":[{"text":"Positive","value":"A"},{"text":"Negative","value":"B"},{"text":"Neutral","value":"C"},{"text":"Both c and a","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":112130,"question":"Grignard reagent is prepared by the reaction of magnesium metal with alkyl halide in the presence of","choices":[{"text":"Alcohol","value":"A"},{"text":"Water","value":"B"},{"text":"Suephuric acid","value":"C"},{"text":"Dry ether","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":112129,"question":"Which is a weak nucleophile","choices":[{"text":"OH<sup>-</sup>","value":"A"},{"text":"Br<sup>-</sup>","value":"B"},{"text":"NH<sub>3</sub>","value":"C"},{"text":"CI<sup>-</sup>","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":112128,"question":"Which of the followings is not a nulceophile","choices":[{"text":"OH<sup>-</sup>","value":"A"},{"text":"NH<sub>3</sub>","value":"B"},{"text":"C<sub>2</sub>H<sub>5</sub>O<sup>-</sup>","value":"C"},{"text":"Br<sub>2</sub>","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":112127,"question":"The order of reactivity of an alkyl halide (R-X) for a particular alkyl group is","choices":[{"text":"Iodide &gt; bromide &gt; chloride","value":"A"},{"text":"Chloride &gt; bromide &gt; iodide","value":"B"},{"text":"Bromide &gt; chloride &gt; iodide","value":"C"},{"text":"Bromide &gt; iodide &gt; chloride","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":112126,"question":"Which bond is most stable","choices":[{"text":"C - Cl","value":"A"},{"text":"C - F","value":"B"},{"text":"C - Br","value":"C"},{"text":"C - I","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":112125,"question":"With the increase in size of halogen atom the reactivity of an alkyl halide","choices":[{"text":"Increases","value":"A"},{"text":"Decreases","value":"B"},{"text":"Remain constant","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":112124,"question":"When an alcohol reacts with SOCI<sub>2</sub>an alkyl halide is formed. What are two other products","choices":[{"text":"SO<sub>2</sub>and HCI","value":"A"},{"text":"SI<sub>2</sub>and H<sub>2</sub>O","value":"B"},{"text":"HCI and H<sub>2</sub>O","value":"C"},{"text":"H<sub>2</sub>S and HCI","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":112123,"question":"","questionImage":"112123_636320187258892252-RQ.jpg","choices":[{"text":"2-bromo-3-methylbutane","value":"A"},{"text":"3-methyl-2-bromobutane","value":"B"},{"text":"2-methyl-3-bromobutane","value":"C"},{"text":"All of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":112122,"question":"","questionImage":"112122_636320186128903377-RQ.jpg","choices":[{"text":"Primary alkyl halide","value":"A"},{"text":"Secondary alkyl halide","value":"B"},{"text":"Tertiary alkyl halide","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":112121,"question":"In a primary alkyl halide, the halogen atom is attached to a carbon which is further attached to","choices":[{"text":"Only one carbon atom","value":"A"},{"text":"Two carbon atoms","value":"B"},{"text":"Three carbon atoms","value":"C"},{"text":"one or no carbon atom","value":"D"},{"value":"E"}],"correctAnswer":4}]