[{"id":156594,"question":"The benzene molecule contains:","choices":[{"text":"Three double bond","value":"A"},{"text":"Two double bond","value":"B"},{"text":"One double bond","value":"C"},{"text":"Delocalized<span style=\"font-size:12.0pt;line-height:107%;\r\nfont-family:&quot;Plantagenet Cherokee&quot;,&quot;serif&quot;;mso-fareast-font-family:Calibri;\r\nmso-fareast-theme-font:minor-latin;mso-bidi-font-family:&quot;Times New Roman&quot;;\r\nmso-ansi-language:EN-US;mso-fareast-language:EN-US;mso-bidi-language:AR-SA\">Ꮨ electron charge</span>","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":151601,"question":"Arenes are also called","choices":[{"text":"atom","value":"A"},{"text":"hydrocarbons","value":"B"},{"text":"aromatic","value":"C"},{"text":"benzene","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":151599,"question":"Which term was derived from atomos?","choices":[{"text":"atom","value":"A"},{"text":"hydrocarbon","value":"B"},{"text":"aromatic","value":"C"},{"text":"aliphatic","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":151595,"question":"Which terms was derived from \" aroma\"?","choices":[{"text":"atom","value":"A"},{"text":"hydrocarbons","value":"B"},{"text":"aromatic","value":"C"},{"text":"aliphatic","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":151593,"question":"Benzene was discovered by first of all","choices":[{"text":"Michael Faraday","value":"A"},{"text":"Hofmann","value":"B"},{"text":"Ainderson","value":"C"},{"text":"Sorenbon","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":151592,"question":"The hydridization in benzene is","choices":[{"text":"sp<sup>3</sup>","value":"A"},{"text":"sp<sup>2</sup>","value":"B"},{"text":"sp<sup>4</sup>","value":"C"},{"text":"dsp<sup>2</sup>","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":151589,"question":"Which is the property of benzene?","choices":[{"text":"decolourizes KMnO<sub>4</sub>","value":"A"},{"text":"straight chain structure","value":"B"},{"text":"only double bond is present","value":"C"},{"text":"triple and double bond","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":151587,"question":"Empirical formula mass of benzene is times lesser than molecular formula mass","choices":[{"text":"four","value":"A"},{"text":"five","value":"B"},{"text":"six","value":"C"},{"text":"seven","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":151585,"question":"Bond angle in benzene is","choices":[{"text":"109.5°","value":"A"},{"text":"180°","value":"B"},{"text":"120°","value":"C"},{"text":"107.20","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":151583,"question":"Benzoic acid can be prepared from the oxidation of","choices":[{"text":"benzene","value":"A"},{"text":"ethyl benzene","value":"B"},{"text":"benzoic acid","value":"C"},{"text":"toluene","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":151581,"question":"Ozonolysis of benzene gives","choices":[{"text":"nitration","value":"A"},{"text":"sulphonation","value":"B"},{"text":"ozonide","value":"C"},{"text":"glyoxal","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":151579,"question":"Monosubstituted benzene can have disubstitution at position","choices":[{"text":"ortho","value":"A"},{"text":"meta","value":"B"},{"text":"para","value":"C"},{"text":"a, b, c","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":151577,"question":"Benzene gives reactions generally","choices":[{"text":"electrophilic","value":"A"},{"text":"addition substitution","value":"B"},{"text":"synthesis","value":"C"},{"text":"addition and electrophilic substitution","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":151575,"question":"Resonance energy of benzene is (in KJ mol<sup>-1</sup>)","choices":[{"text":"120","value":"A"},{"text":"150","value":"B"},{"text":"170","value":"C"},{"text":"180","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":151574,"question":"Kekule structures contributed towards actual structure of benzene","choices":[{"text":"60%","value":"A"},{"text":"70%","value":"B"},{"text":"80%","value":"C"},{"text":"90%","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":151573,"question":"Ratio of carbon to hydrogen in aromatic compounds is","choices":[{"text":"Low than alkanes","value":"A"},{"text":"High than alkanes","value":"B"},{"text":"Low than alkenes not high than alkanes","value":"C"},{"text":"High than high than alkenes","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":151571,"question":"Simplest aromatic compound is","choices":[{"text":"bezene","value":"A"},{"text":"toluene","value":"B"},{"text":"aniline","value":"C"},{"text":"phenol","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":151570,"question":"The conversion of n-hexane into benzene by heating in the presence of CO, is called","choices":[{"text":"lsomerization","value":"A"},{"text":"Aromatization","value":"B"},{"text":"Dealkylation","value":"C"},{"text":"Rearrangement","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":151568,"question":"Aromatic compounds burn with sooty flame cause","choices":[{"text":"They have high percentage of hydrogen","value":"A"},{"text":"They have a ring structure","value":"B"},{"text":"They have high percentage of carbon","value":"C"},{"text":"They resist reaction with air","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":151567,"question":"The electrophile in aromatic sulphonation Is","choices":[{"text":"H<sub>2</sub>SO<sub>4</sub>","value":"A"},{"text":"HSO<sub>4</sub><sup>-</sup>","value":"B"},{"text":"SO<sub>3</sub>","value":"C"},{"text":"SO<sub>3</sub><sup>+</sup>","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":151564,"question":"Among the following, poly cyclic compound is","choices":[{"text":"styrene","value":"A"},{"text":"cumene","value":"B"},{"text":"naphthalene","value":"C"},{"text":"xylene","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":151563,"question":"Which compound is the most reactive one?","choices":[{"text":"benzene","value":"A"},{"text":"ethene","value":"B"},{"text":"ethane","value":"C"},{"text":"ethyne","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":151561,"question":"Which of the following is explosive?","choices":[{"text":"Trinitrophenol","value":"A"},{"text":"Nitrophenol","value":"B"},{"text":"Nitromethane","value":"C"},{"text":"Nitrobenzene","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":151560,"question":"Benzene reacts with Cl, in sunlight to give the end product","choices":[{"text":"C<sub>6</sub>H<sub>6</sub>Cl<sub>6</sub>","value":"A"},{"text":"C<sub>6</sub>H<sub>6</sub>Cl","value":"B"},{"text":"O - C<sub>6</sub>H<sub>4</sub>Cl<sub>2</sub>","value":"C"},{"text":"P-C<sub>6</sub>H<sub>4</sub>Cl<sub>2</sub>","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":151558,"question":"Acyiation of benzene to produce aliphatic aromatic ketones is known as","choices":[{"text":"Friedel Craft's reaction","value":"A"},{"text":"benzenecondensation","value":"B"},{"text":"hydroformylation","value":"C"},{"text":"<div>Clemmensen reduction</div>","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":151555,"question":"During nitration of benzene. the active nitrating agent is","choices":[{"text":"NO<sub>3</sub><sup>-1</sup>","value":"A"},{"text":"NO<sub>2</sub><sup>+</sup>","value":"B"},{"text":"NO<sub>2</sub><sup>-1</sup>","value":"C"},{"text":"HNO<sub>3</sub>","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":151553,"question":"Amongst the following, the compound that can be most readily sulphonated is","choices":[{"text":"toluene","value":"A"},{"text":"benzene","value":"B"},{"text":"nitrobenzene","value":"C"},{"text":"chlorobenzene","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":151552,"question":"Benzene cannot undergo","choices":[{"text":"substitution reactions","value":"A"},{"text":"addition reactions","value":"B"},{"text":"oxidation reactions","value":"C"},{"text":"elimination reactions","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":151550,"question":"Which of the following acid can be used as a catalyst in Friedel Craft's reaction?","choices":[{"text":"AlCl<sub>3</sub>","value":"A"},{"text":"HNO<sub>3</sub>","value":"B"},{"text":"BeCl<sub>2</sub>","value":"C"},{"text":"NaCl","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":151549,"question":"Aromatic hydrocarbons are derivatives of","choices":[{"text":"normal series of paraffins","value":"A"},{"text":"alkene","value":"B"},{"text":"benzene","value":"C"},{"text":"cyclohexane","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":151541,"question":"The benzene molecule contains","choices":[{"text":"Three double bond","value":"A"},{"text":"Two double bond","value":"B"},{"text":"One double bond","value":"C"},{"text":"Delocalized pie electron charge","value":"D"},{"value":"E"}],"correctAnswer":4}]