[{"id":1066609,"question":"The most stable carbonium ion among the following is.","choices":[{"text":"(CH3)3C+","value":"A"},{"text":"CH3+","value":"B"},{"text":"CH3 CH2+","value":"C"},{"text":"(CH3)2CH-","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1066608,"question":"Which of the following carbocations would be the least stable.","choices":[{"text":"(CH3)2CH+","value":"A"},{"text":"CH3CH2+","value":"B"},{"text":"CH3+","value":"C"},{"text":"(CH3)3C+","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1066607,"question":"Which of the following represents a position isomer of CH3CH2CH=CH2","choices":[{"text":"C2H2","value":"A"},{"text":"CH3-CH=CH-CH3","value":"B"},{"text":"CH4","value":"C"},{"text":"C2H5OH","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1066606,"question":"Which of the following is not a property of polymers.","choices":[{"text":"High melting point","value":"A"},{"text":"Flexibility","value":"B"},{"text":"isolubility in water","value":"C"},{"text":"Low molecular mass","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":1066605,"question":"A polymer used for non -stick cookware is.","choices":[{"text":"Teflon","value":"A"},{"text":"Nylon","value":"B"},{"text":"Plyvinyl chloride","value":"C"},{"text":"Polythene","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1066604,"question":"Which of these monomers forms a condensation polymer.","choices":[{"text":"Ethane","value":"A"},{"text":"Styrene","value":"B"},{"text":"Adipic acid+ hexamethylenediamine","value":"C"},{"text":"Vinyl chloride","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1066603,"question":"Vulcanization of rubber increases its.","choices":[{"text":"Conductivity","value":"A"},{"text":"Reactivity","value":"B"},{"text":"Hardness and elasticity","value":"C"},{"text":"Transparency","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1066602,"question":"Which of the followign is a copolymer.","choices":[{"text":"SBR Rubber","value":"A"},{"text":"Polyethene","value":"B"},{"text":"PVC","value":"C"},{"text":"Polypropylene","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1066601,"question":"Natrual rubber is a polymer ","choices":[{"text":"Isoprene","value":"A"},{"text":"Sgtryrene","value":"B"},{"text":"Vinyl chloride","value":"C"},{"text":"Butadiene","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1066600,"question":"Monomer of polystyrene is.","choices":[{"text":"Styrene","value":"A"},{"text":"Ethene","value":"B"},{"text":"Benzene","value":"C"},{"text":"Toluene","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1066599,"question":"Which of the following is an addition polymer.","choices":[{"text":"Nylon","value":"A"},{"text":"Bakelite","value":"B"},{"text":"Polyethylene","value":"C"},{"text":"Terylene","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1066598,"question":"Which of the following is an addition polymer.","choices":[{"text":"Nylon","value":"A"},{"text":"Bakelite","value":"B"},{"text":"Polyethylene","value":"C"},{"text":"Terylene","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1066597,"question":"Polymerization of ethene gives.","choices":[{"text":"Polyvinyl chloride","value":"A"},{"text":"Polyethylene","value":"B"},{"text":"Polystyrene","value":"C"},{"text":"Teflon","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1066596,"question":"Structuralisomers differ in","choices":[{"text":"Only the boiling point","value":"A"},{"text":"Only the melting point","value":"B"},{"text":"Arrangemetn of atoms","value":"C"},{"text":"Number of atoms","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1066595,"question":"Geometrial isomerism is due to.","choices":[{"text":"rotation around single bond","value":"A"},{"text":"Restricted rotation around double bond","value":"B"},{"text":"Electronegaivity difference","value":"C"},{"text":"Difference in funcional groups","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1066594,"question":"Which is a pair of geometrical isomers.","choices":[{"text":"Ethane and propane","value":"A"},{"text":"But-1- ene and but-2- ene","value":"B"},{"text":"eis-but-2- ene and trans -but-2-ene","value":"C"},{"text":"Benzene and toluene","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1066593,"question":"Geometrical isomerism is possible in.","choices":[{"text":"Alkanes","value":"A"},{"text":"Alkene","value":"B"},{"text":"Cycloalkanes","value":"C"},{"text":"Botha b and c","value":"D"},{"value":"E"}],"correctAnswer":4}]