[{"id":252813,"question":"If the energy of the activated complex lies close to energy of reactants, it means that reaction is","choices":[{"text":"Slow","value":"A"},{"text":"Exothermic","value":"B"},{"text":"Endothermic","value":"C"},{"text":"Exothermic and fast","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":252812,"question":"By increasing the concentration of reactants, the rate of reaction","choices":[{"text":"Decreases","value":"A"},{"text":"Increases","value":"B"},{"text":"Remains constant","value":"C"},{"text":"Not predicted","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":252810,"question":"The increase in reaction rate as a result of increase in temperature from 10K to 90K is","choices":[{"text":"512","value":"A"},{"text":"256","value":"B"},{"text":"400","value":"C"},{"text":"112","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":252809,"question":"For a chemical reaction to occur","choices":[{"text":"The vessel shall be open","value":"A"},{"text":"Reacting molecules should have less energy than Ea at time of collision","value":"B"},{"text":"Reacting molecules must be properly oriented and energy more than or equal to Ea","value":"C"},{"text":"The reacting molecules must not collide with each other","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":252808,"question":"Which of the following reactions are usually slow?","choices":[{"text":"Neutralization of acids and bases","value":"A"},{"text":"Displacement Reactions","value":"B"},{"text":"Organic substitution reaction","value":"C"},{"text":"Free radical reactions","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":252806,"question":"Rate of which reaction increases with temperature?","choices":[{"text":"Exothermic and endothermic reactions","value":"A"},{"text":"Endothermic reactions","value":"B"},{"text":"Exothermic reactions","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":252805,"question":"In which of the following techniques rate of reaction is directly related with number ofions","choices":[{"text":"Spectrometry","value":"A"},{"text":"Dilatometric method","value":"B"},{"text":"Conductometric method","value":"C"},{"text":"Refractometric method","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":252804,"question":"For a chemical reaction which can never be a fractional no","choices":[{"text":"order","value":"A"},{"text":"molecularity","value":"B"},{"text":"half-life","value":"C"},{"text":"rate constant","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":252802,"question":"If the rate of the reaction is equal to the rate constant, the order of the reaction is","choices":[{"text":"3","value":"A"},{"text":"1","value":"B"},{"text":"0","value":"C"},{"text":"2","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":252801,"question":"If the reaction \"P+Q→R+S' is deseribed as being of zero order with respect to P, it means that","choices":[{"text":"P is catalyst in this reaction","value":"A"},{"text":"P molecules do not possess sufficient energy to react","value":"B"},{"text":"The concentration of P does not change during the reaction","value":"C"},{"text":"The rate of reaction is independent of the concentration of P","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":252799,"question":"For reaction of methane and chlorine light is not available then","choices":[{"text":"Reaction will take place rapidly","value":"A"},{"text":"No Reaction take place","value":"B"},{"text":"Reaction occurs at double the rate","value":"C"},{"text":"May all cases occur","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":252798,"question":"Which of the following statement about the order of reaction is true?","choices":[{"text":"The order of reaction can only be determined by experiment","value":"A"},{"text":"a second order reaction is also bimolecular","value":"B"},{"text":"The order of reaction is always non-zero","value":"C"},{"text":"The order of reaction increases with increasing temperature","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":252797,"question":"The reaction takes place among the molecules when they have:","choices":[{"text":"Activation energy","value":"A"},{"text":"Properly oriented","value":"B"},{"text":"Concentrated","value":"C"},{"text":"Activation energy and proper orientation","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":252795,"question":"Half-lives required to convert 100% reactant to produet for a first order reaction are","choices":[{"text":"10","value":"A"},{"text":"1000","value":"B"},{"text":"100","value":"C"},{"text":"Infinity","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":252793,"question":"Doubling the pressure in a liquid phase reaction","choices":[{"text":"Will double the rex","value":"A"},{"text":"Will increase the rex","value":"B"},{"text":"Will decrease the rex","value":"C"},{"text":"Will not alter the concentration of reactant","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":252791,"question":"When the concentration of reactants is taken as unity the rate of reaction is equal to","choices":[{"text":"average rate","value":"A"},{"text":"concentratian of reactant","value":"B"},{"text":"instantaneous rate","value":"C"},{"text":"specific rate constant","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":252789,"question":"Higher the surface area available for reaction","choices":[{"text":"slower the reaction","value":"A"},{"text":"faster the reaction","value":"B"},{"text":"constant the reaction","value":"C"},{"text":"lower the Ea","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":252787,"question":"Amount of product formed increases with time, this statement is true for reactions-------with kinetics","choices":[{"text":"1s order","value":"A"},{"text":"3rd order","value":"B"},{"text":"zero order","value":"C"},{"text":"Any order","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":252786,"question":"All the Hydrolytic reactions are","choices":[{"text":"First order","value":"A"},{"text":"Second order","value":"B"},{"text":"Third order","value":"C"},{"text":"pseudo-first order","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":252785,"question":"The radioactive disintegration of 238U92 is","choices":[{"text":"First order","value":"A"},{"text":"Second order","value":"B"},{"text":"Third order","value":"C"},{"text":"Zero order","value":"D"},{"value":"E"}],"correctAnswer":1}]