[{"id":119899,"question":"How many structural acid cis-trans isomers are there for dichloroprepe, C<sub>3</sub>H<sub>4</sub>Cl<sub>2</sub>","choices":[{"text":"3","value":"A"},{"text":"5","value":"B"},{"text":"6","value":"C"},{"text":"7","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":119897,"question":"Cracking done at low pressure and with a catalyst is called _______ cracking","choices":[{"text":"Thermal","value":"A"},{"text":"Catalytic","value":"B"},{"text":"Steam","value":"C"},{"text":"None of them","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":119896,"question":"A nuclophile must","choices":[{"text":"Be an atom","value":"A"},{"text":"A group of atoms","value":"B"},{"text":"Have a lone pair","value":"C"},{"text":"Be negatively charged","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":119895,"question":"Which is not a nucleophile","choices":[{"text":"Benzene","value":"A"},{"text":"Chlorine","value":"B"},{"text":"Ethene","value":"C"},{"text":"Ethanol","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":119894,"question":"Which of the following is an electrophile","choices":[{"text":"Bromine","value":"A"},{"text":"KBr","value":"B"},{"text":"NH<sub>3</sub>","value":"C"},{"text":"Benzene","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":119893,"question":"Which is not the poplar reaction","choices":[{"text":"","img":"119893_636337418005369295-RA1.jpg","value":"A"},{"text":"","img":"119893_636337418005369295-RA2.jpg","value":"B"},{"text":"","img":"119893_636337418005369295-RA3.jpg","value":"C"},{"text":"","img":"119893_636337418005369295-RA4.jpg","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":119892,"question":"A free radical reaction takes place in three steps, initiation, propagation and terminations. Which of the following expression represents a propagation step","choices":[{"text":"","img":"119892_636337415843729243-RA1.jpg","value":"A"},{"text":"","img":"119892_636337415843729243-RA2.jpg","value":"B"},{"text":"","img":"119892_636337415843729243-RA3.jpg","value":"C"},{"text":"","img":"119892_636337415843729243-RA4.jpg","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":119891,"question":"In a heterollytic bond fission reaction","choices":[{"text":"A molecule of H<sub>2</sub>O is formed","value":"A"},{"text":"A molecule of H<sub>2</sub>O is eliminated","value":"B"},{"text":"A free radical is formed","value":"C"},{"text":"A positive and a negative ion is formed","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":119889,"question":"Which of the following expressions show a heterolytic bond fission","choices":[{"text":"","img":"119889_636337410861652969-RA1.jpg","value":"A"},{"text":"","img":"119889_636337410861652969-RA2.jpg","value":"B"},{"text":"","img":"119889_636337410861652969-RA3.jpg","value":"C"},{"text":"","img":"119889_636337410861652969-RA4.jpg","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":119885,"question":"Which reaction produces a free radical","choices":[{"text":"SN reaction","value":"A"},{"text":"Homelytic fission reaction","value":"B"},{"text":"Heterolytic fission reaction","value":"C"},{"text":"Addition reaction","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":119883,"question":"Which statement is true about a free radical","choices":[{"text":"An atom with a positive charge","value":"A"},{"text":"An atom with a negative charge","value":"B"},{"text":"An atom with a lone pair of electrons","value":"C"},{"text":"An atom with unpaired electron","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":112022,"question":"Identify the heterocyclic compound","choices":[{"text":"Toluene","value":"A"},{"text":"Pyridine","value":"B"},{"text":"Butanoic acid","value":"C"},{"text":"Propenol","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":112021,"question":"Which of the following is an aromatic compound","choices":[{"text":"Propanol","value":"A"},{"text":"Cyclohexane","value":"B"},{"text":"Acetone","value":"C"},{"text":"Benezene","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":112020,"question":"Which of the following is not a hydrocarbon","choices":[{"text":"Butane","value":"A"},{"text":"Methyl benezene","value":"B"},{"text":"Acetylene","value":"C"},{"text":"Glucose","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":112019,"question":"Which of the following pair contains isomers of each other","choices":[{"text":"Propanoic acid and propanone","value":"A"},{"text":"Acetone and acetaldehyde","value":"B"},{"text":"Ethyl alcohol and diethyl ether","value":"C"},{"text":"Methyl alcohol and dimethyl ether","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":112018,"question":"Homologues differ from each other by an integral number of","choices":[{"text":"CH<sub>2</sub>groups","value":"A"},{"text":"CH<sub>3</sub>groups","value":"B"},{"text":"CH groups","value":"C"},{"text":"CH<sub>4</sub>groups","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":112017,"question":"The catalyst,. which is used as specialist for cracking, are","choices":[{"text":"Aluminates","value":"A"},{"text":"Alumlnosilicates","value":"B"},{"text":"Aluminium slats","value":"C"},{"text":"All can be used","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":112016,"question":"Quality of fuel is judged from its octane number. The best fuels are","choices":[{"text":"Straight chain hydrocarbons","value":"A"},{"text":"Branched chain hydrocarbons","value":"B"},{"text":"Cyclic compounds","value":"C"},{"text":"Compounds containing benzene ring","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":112015,"question":"The percentage of methane in natural gas is","choices":[{"text":"50%","value":"A"},{"text":"60%","value":"B"},{"text":"85%","value":"C"},{"text":"90%","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":112013,"question":"The major components of coal gas are","choices":[{"text":"Hydrogen and methane","value":"A"},{"text":"Ethane and carbon monoxide","value":"B"},{"text":"Nitrogen and ethane","value":"C"},{"text":"Ethane and carbon dioxide","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":112012,"question":"Peat contains about","choices":[{"text":"60% carbon","value":"A"},{"text":"80% carbon","value":"B"},{"text":"78% carbon","value":"C"},{"text":"50% carbon","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":112011,"question":"The gasoline with high octane No. has ______","choices":[{"text":"More knocking","value":"A"},{"text":"Less knocking","value":"B"},{"text":"No knocking","value":"C"},{"text":"Only knocking","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":112010,"question":"Catenation is a process in which carbon shows the properties of making","choices":[{"text":"Multiple bonds","value":"A"},{"text":"Hybridization","value":"B"},{"text":"Long chains or rings of carbon atom","value":"C"},{"text":"Showing isomerism","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":112009,"question":"Due to the bacterial action on wood it is converted into","choices":[{"text":"Peat","value":"A"},{"text":"Lignite","value":"B"},{"text":"Bituminous coal","value":"C"},{"text":"Anthracite","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":112008,"question":"Select from the following the one which alcohol","choices":[{"text":"","img":"112008_636320116021651976-RA1.jpg","value":"A"},{"text":"","img":"112008_636320116021651976-RA2.jpg","value":"B"},{"text":"","img":"112008_636320116021651976-RA3.jpg","value":"C"},{"text":"","img":"112008_636320116021651976-RA4.jpg","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":112007,"question":"A double bond consists of","choices":[{"text":"Two sigma bonds","value":"A"},{"text":"One sigma and one Pi bond","value":"B"},{"text":"One sigma and two Pi bonds","value":"C"},{"text":"Two Pi bonds","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":112005,"question":"Alkanes normally have ______ hybridization","choices":[{"text":"Sp","value":"A"},{"text":"Sp<sup>2</sup>","value":"B"},{"text":"Sp<sup>3</sup>","value":"C"},{"text":"d sp<sup>3</sup>","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":112003,"question":"Which of the following is a product of destructive distillation of coal","choices":[{"text":"Ammonia","value":"A"},{"text":"Coke","value":"B"},{"text":"Cyanides","value":"C"},{"text":"Kerosene","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":112001,"question":"The distillation of coal at high temperature and in absence of air is called","choices":[{"text":"Vacuum distillation","value":"A"},{"text":"Normal distillation","value":"B"},{"text":"Fractional distillation","value":"C"},{"text":"Destructive distillation","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":111999,"question":"The formula of ketone is","choices":[{"text":"","img":"111999_636320111275976490-RA1.JPG","value":"A"},{"text":"","img":"111999_636320111275976490-RA2.JPG","value":"B"},{"text":"","img":"111999_636320111275976490-RA3.jpg","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":3}]