[{"id":252783,"question":"The collision which results in chemical reaction","choices":[{"text":"Effective collision","value":"A"},{"text":"Ineffective collision","value":"B"},{"text":"Useless collision","value":"C"},{"text":"All of the above","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":252779,"question":"Substance which is formed as well as consumed during a chemical reaction and have temporary existence.","choices":[{"text":"Reactant","value":"A"},{"text":"product","value":"B"},{"text":"Catalyst","value":"C"},{"text":"Intermediate","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":252778,"question":"The study of which one of the followings guides to the mechanism of the reaction","choices":[{"text":"Order of reaction","value":"A"},{"text":"Rate of reaction","value":"B"},{"text":"Half-life period of reaction","value":"C"},{"text":"Rate determining step","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":252777,"question":"For a chemical reaction in which one of the reactant also act as solvent, the order will be","choices":[{"text":"First order","value":"A"},{"text":"Third order","value":"B"},{"text":"Second order","value":"C"},{"text":"pseudo-first order","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":252775,"question":"A reaction A- B is independent of concentration of reactant A. The order of reaction will be","choices":[{"text":"First order","value":"A"},{"text":"Second order","value":"B"},{"text":"Third order","value":"C"},{"text":"Zero order","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":252774,"question":"When does average rate become equal to instantaneous rate of reaction","choices":[{"text":"At the start of reaction","value":"A"},{"text":"time interval is zero","value":"B"},{"text":"at the end of reactior","value":"C"},{"text":"time interval approaches zero","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":252772,"question":"The slope of the graph is steepest at the beginning of reaction showing","choices":[{"text":"Rapid decrease in concentration of reactants","value":"A"},{"text":"Rapid increase in concentration of reactants","value":"B"},{"text":"Fast rate of reaction","value":"C"},{"text":"All of the above","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":252771,"question":"Which property of liquid is measured by polarimeter","choices":[{"text":"Conductance","value":"A"},{"text":"Optical activity","value":"B"},{"text":"Refractiye Indéx","value":"C"},{"text":"Change in volume","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":252769,"question":"Unit of the rate constant depends upon the","choices":[{"text":"Molecularity of reaction","value":"A"},{"text":"Order of reaction","value":"B"},{"text":"Concentration terms","value":"C"},{"text":"Number of reactants","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":252767,"question":"The number of atoms or molecules whose concentrations determines the rate of a chemical reaction is called the","choices":[{"text":"Molecularity of the reaction","value":"A"},{"text":"specific activity of the reaction","value":"B"},{"text":"Order of the reaction","value":"C"},{"text":"rate constant of the reaction","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":252766,"question":"In the reaction A+B→ Products, if B is taken in excess, then it is an example of","choices":[{"text":"Second order reaction","value":"A"},{"text":"zero order reaction","value":"B"},{"text":"Pseudo first order reaction","value":"C"},{"text":"first order reaction","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":252764,"question":"The rate of reaction between A and B increases by a factor of 100, when the concentration of A is increased 10 folds, the order of reaction with respect to A is","choices":[{"text":"10","value":"A"},{"text":"1","value":"B"},{"text":"4","value":"C"},{"text":"2","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":252760,"question":"The conversion of molecules of A to B follows a second order kineties. Doubling the concentration of A will inerease the rate of formation of B by a factor of","choices":[{"text":"2","value":"A"},{"text":"4","value":"B"},{"text":"1/2","value":"C"},{"text":"1/4","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":252759,"question":"If reactants are conductor of electricity, then method is used to measure the change in concentration of reaction","choices":[{"text":"Optical rotation","value":"A"},{"text":"Refractrometric","value":"B"},{"text":"Dilatometric","value":"C"},{"text":"Electrical conductivity","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":252758,"question":"In dilatometric method is directly proportional to extent of reaction","choices":[{"text":"Change in concentration","value":"A"},{"text":"Change in pressure","value":"B"},{"text":"Chang in volume","value":"C"},{"text":"Change in temperature","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":252756,"question":"Spectrometry method is applicable if a reactant or a product absorbs radiation","choices":[{"text":"Ultraviolet","value":"A"},{"text":"Visible","value":"B"},{"text":"Infrared","value":"C"},{"text":"Any of these","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":252755,"question":"The order of reaction provides valuable information about of reaction","choices":[{"text":"Condition","value":"A"},{"text":"Concentration","value":"B"},{"text":"Mechanism","value":"C"},{"text":"Parameters","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":252754,"question":"The reaction which is zero order","choices":[{"text":"Decomposition ofN2O5","value":"A"},{"text":"Formation of Glucose in plant","value":"B"},{"text":"Formation of Fel2","value":"C"},{"text":"Chorination of methane in sunlight","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":252753,"question":"The number of reacting molecules whose concentration change during reaction is called","choices":[{"text":"Activated molecule","value":"A"},{"text":"Rate of reaction","value":"B"},{"text":"Order of reaction","value":"C"},{"text":"half-life","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":252751,"question":"The rate of reaction for a reaction is 30 mol dm-3sec-1 if the product of concentration of 10.reactant is unity the specific rate constant is","choices":[{"text":"25","value":"A"},{"text":"2.5","value":"B"},{"text":"30","value":"C"},{"text":"15","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":252749,"question":"When the concentration of product is increased the instantaneous rate of reaction with reference to reactants will be","choices":[{"text":"Positive","value":"A"},{"text":"Negative","value":"B"},{"text":"the same","value":"C"},{"text":"falling curve","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":252747,"question":"The concentration of product is increasing from 30 mole/dm3 to 40mol/dm3 in 0.5 sec then rate of reaction will be------moledm-3sec-1","choices":[{"text":"0","value":"A"},{"text":"20","value":"B"},{"text":"15","value":"C"},{"text":"25","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":252746,"question":"Consider gas is measure in bars then the units of rate of reaction is","choices":[{"text":"Mole dm-3 sec","value":"A"},{"text":"Bars sec","value":"B"},{"text":"Mole dm-3 sec-1","value":"C"},{"text":"Bars sec-1","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":252744,"question":"The reaction kinetics concerned with the","choices":[{"text":"Rate of reaction","value":"A"},{"text":"Direction of reaction","value":"B"},{"text":"Factor effecting rate of reaction","value":"C"},{"text":"both a &b","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":252743,"question":"Reaction kinetics is important to discover the---under which reaction will proceed most economically:","choices":[{"text":"rate constant","value":"A"},{"text":"Conditions","value":"B"},{"text":"volume","value":"C"},{"text":"equilibrium point","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":252741,"question":"Rusting of iron is the example of","choices":[{"text":"Fast","value":"A"},{"text":"Slow","value":"B"},{"text":"moderate","value":"C"},{"text":"depends upon conditions","value":"D"},{"value":"E"}],"correctAnswer":2}]