[{"id":124813,"question":"Tertiary alkyl halides are practically inert to substitution by S<sub>N</sub>2 mechanism because of","choices":[{"text":"Onsolubility","value":"A"},{"text":"Instability","value":"B"},{"text":"Inductive effect","value":"C"},{"text":"Steric hindrance","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":124811,"question":"Which of the following compounds gives trichoromethane on distilling with bleaching power?","choices":[{"text":"Methanal","value":"A"},{"text":"Phenol","value":"B"},{"text":"Ethanol","value":"C"},{"text":"methanol","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":124810,"question":"Which represents nucleophilic aromatic substitution reaction?","choices":[{"text":"Reaction of benzene with Cl<sub>2</sub>in sunlight","value":"A"},{"text":"Benzyl bromide hydrolysis with water","value":"B"},{"text":"Reaction of NaOH with dintrofluoro benzene","value":"C"},{"text":"Sulphonation of benzene","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":124808,"question":"Which responds to +ve iodoform test?","choices":[{"text":"Butanol-1","value":"A"},{"text":"Butan-1-al","value":"B"},{"text":"Butanol-2","value":"C"},{"text":"2-pentanone","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":124807,"question":"Among the following the most reactive towards alcoholic KOH is","choices":[{"text":"CH<sub>2</sub>= CHBr","value":"A"},{"text":"CH<sub>3</sub>COCH<sub>2</sub>CH<sub>2</sub>Br","value":"B"},{"text":"CH<sub>3</sub>CH<sub>2</sub>Br","value":"C"},{"text":"CH<sub>3</sub>CH<sub>2</sub>CH<sub>2</sub>Br","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":124804,"question":"Allyl chloride on dehydrochlorination gives","choices":[{"text":"Propadiene","value":"A"},{"text":"Propylene","value":"B"},{"text":"Allyl alcohol","value":"C"},{"text":"Acetone","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":124803,"question":"When chloroform is boiled with NaOH, it gives","choices":[{"text":"Formic acid","value":"A"},{"text":"Trihydroxymethane","value":"B"},{"text":"Acetylene","value":"C"},{"text":"Sodium formate","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":124802,"question":"A set of compounds in which reactivity of halogen atom in the ascending order is","choices":[{"text":"Chlorobenzene, vinyl chloride, chloroethane","value":"A"},{"text":"Chloroethane, chlorobenzene, vinyl chloride","value":"B"},{"text":"Vinyl chloride,chlorobenzene chloroethane","value":"C"},{"text":"Vinyl chloride, chloroethane,chlorobenzene","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":124800,"question":"Most reactive halide towards S<sub>N</sub>1 reaction is","choices":[{"text":"n-Butyl chloride","value":"A"},{"text":"sec-Butyl chloride","value":"B"},{"text":"tert-Butyl choride","value":"C"},{"text":"Allyl chloride","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":124799,"question":"Grignard reagent is not prepared in aqueous medium but prepared in ether medium because","choices":[{"text":"The reagent is highly reactive in ether","value":"A"},{"text":"The reagent does not react with water","value":"B"},{"text":"The reagent becomes inactive in water","value":"C"},{"text":"The reagent reacts with water","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":124798,"question":"When primary amine reacts with chloroform in ethanolic KOH, then the product is","choices":[{"text":"An isocyanide","value":"A"},{"text":"An aldehyde","value":"B"},{"text":"A cyanide","value":"C"},{"text":"An alcohol","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":124797,"question":"Unpleasant smell of carbylamine is obtained when chloroform and alcoholic KOH are heated with","choices":[{"text":"Any aromatic amine","value":"A"},{"text":"Any primary amine","value":"B"},{"text":"Any amine","value":"C"},{"text":"Any aliphatic amine","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":124796,"question":"Which one of the following in mainly responsible for depletion of ozone layer?","choices":[{"text":"Methane","value":"A"},{"text":"Carbon dioxide","value":"B"},{"text":"Water","value":"C"},{"text":"chloroflurocarbons","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":124795,"question":"The reaction of an alkyl halide with RCOOAg produces","choices":[{"text":"Ester","value":"A"},{"text":"Ether","value":"B"},{"text":"Aldehyde","value":"C"},{"text":"Ketone","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":124794,"question":"On warming with silver powder,chloroform is converted into","choices":[{"text":"Acetylene","value":"A"},{"text":"Hexachloroethane","value":"B"},{"text":"1,1,2,2-tetrachloroethane","value":"C"},{"text":"ethylene","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":124793,"question":"Which one of the following will have the maximum dipole moment","choices":[{"text":"CH<sub>3</sub>F","value":"A"},{"text":"CH<sub>3</sub>Cl","value":"B"},{"text":"CH<sub>3</sub>Br","value":"C"},{"text":"CH<sub>3</sub>l","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":124792,"question":"Alkyl halides react with Mg in dry ether to form","choices":[{"text":"Magnesium halide","value":"A"},{"text":"Grignard's reagent","value":"B"},{"text":"Alkene","value":"C"},{"text":"Alkyne","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":124791,"question":"To get DDT, chlorobenzene has to react with one of the following compound in the presence of conc.H<sub>2</sub>SO<sub>4</sub>","choices":[{"text":"Trichloroethane","value":"A"},{"text":"Dichloroacetone","value":"B"},{"text":"Dichloroacetaldehyde","value":"C"},{"text":"Trichloroacetealdehyde","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":124790,"question":"Cyanoform is ________ acid in nature than the chloroform. The missing word is","choices":[{"text":"Stronger","value":"A"},{"text":"Weaker","value":"B"},{"text":"Amphoteric","value":"C"},{"text":"Neutral","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":124789,"question":"Which halide among the following is used as methylating agent?","choices":[{"text":"CH<sub>3</sub>l","value":"A"},{"text":"C<sub>2</sub>H<sub>5</sub>Cl","value":"B"},{"text":"C<sub>2</sub>H<sub>5</sub>Br","value":"C"},{"text":"C<sub>6</sub>H<sub>5</sub>Cl","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":124788,"question":"How many monochlorobutanes will be possible on chlorination of n-butane?","choices":[{"text":"1","value":"A"},{"text":"2","value":"B"},{"text":"3","value":"C"},{"text":"5","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":124787,"question":"S<sub>N</sub>1 reaction of alkylhalides leads to","choices":[{"text":"Retention of configuration","value":"A"},{"text":"Recemisation","value":"B"},{"text":"Inversion of configuration","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":124786,"question":"Tetrabromoethane on treatment with alcoholic zinc gives","choices":[{"text":"Ethylbromide","value":"A"},{"text":"Ethane","value":"B"},{"text":"Ethene","value":"C"},{"text":"Ethyne","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":124785,"question":"Gammexane is","choices":[{"text":"Chlorobenzene","value":"A"},{"text":"Benzyl chloride","value":"B"},{"text":"Brommobenzene","value":"C"},{"text":"Benzene hexachloride","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":124784,"question":"Benzene reacts with chlorine to form benzene hexachloride in presence of","choices":[{"text":"Nickel","value":"A"},{"text":"AlCl<sub>3</sub>","value":"B"},{"text":"Bright sunlight","value":"C"},{"text":"Zinc","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":124783,"question":"Ethyl bromide on treatment with alcoholic KOH gives","choices":[{"text":"Ethylene","value":"A"},{"text":"Ethanol","value":"B"},{"text":"Acetic Acid","value":"C"},{"text":"Ethane","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":124782,"question":"Butanenitrile is formed by reaction of KCN with","choices":[{"text":"Propyl alcohol","value":"A"},{"text":"Butyl chloride","value":"B"},{"text":"Butyl alcohol","value":"C"},{"text":"Propyl Chloride","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":124781,"question":"1-Chlorobutane on reaction with alcoholic potash gives","choices":[{"text":"But 1-ene","value":"A"},{"text":"Butan-1-ol","value":"B"},{"text":"But-2-ene","value":"C"},{"text":"Butan-2-ol","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":124780,"question":"2-Bromopentane is heated with potassium ethoxide in ethanol . The major product obtained is","choices":[{"text":"2-Ethoxypentane","value":"A"},{"text":"Pent-1-ene","value":"B"},{"text":"cis-Pent-2-ene","value":"C"},{"text":"trans-Pent-2-ene","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":124779,"question":"Chlorobenzene on heating with aqueous NH<sub>3</sub>under pressure in the presence of cuprous chloride gives","choices":[{"text":"Benzamide","value":"A"},{"text":"Nitrobenzene","value":"B"},{"text":"Aniline","value":"C"},{"text":"Chloroaminobenzene","value":"D"},{"value":"E"}],"correctAnswer":3}]