[{"id":140112,"question":"Which of the following statement regarding catalyst is not true?","choices":[{"text":"A catalyst remains unchanged in composition and quantity at the end of the reaction","value":"A"},{"text":"A catalyst can initiate a reaction","value":"B"},{"text":"A catalyst dose not alter the equilibrium in a reversible reaction","value":"C"},{"text":"Catalysts are sometimes very specific in respect of reaction.","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":140111,"question":"A zero order reaction is one whose rate is independent of","choices":[{"text":"Temperature of the reaction","value":"A"},{"text":"The concentration of the reactants","value":"B"},{"text":"The concentration of the products","value":"C"},{"text":"The material of the vessel in which the reaction is carried out","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":140110,"question":"The dimension of rate constant of second order reaction involves","choices":[{"text":"Neither time nor concentration","value":"A"},{"text":"Only time","value":"B"},{"text":"Time and concentration","value":"C"},{"text":"Time and square of concentration","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":140109,"question":"The rate at which a substance reacts depends on its","choices":[{"text":"Atomic weight","value":"A"},{"text":"Equivalent weight","value":"B"},{"text":"Molecular weight","value":"C"},{"text":"Active mass","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":140108,"question":"The rate of a reaction that does not involves gases, does not depend upon","choices":[{"text":"Pressure","value":"A"},{"text":"Temperature","value":"B"},{"text":"Concentration","value":"C"},{"text":"Catalyst","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":140107,"question":"For most of the chemical reactions the rate of reaction","choices":[{"text":"Increase as the reaction proceeds","value":"A"},{"text":"Decrease as the reaction proceeds","value":"B"},{"text":"May increase or decrease during the reaction","value":"C"},{"text":"Remains constant as the reaction proceeds","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":140106,"question":"The unit rate of a reaction can be increased in general by all the factors except by","choices":[{"text":"Using a catalyst","value":"A"},{"text":"Increasing temperature","value":"B"},{"text":"Increasing the activation energy","value":"C"},{"text":"Increasing the conc. of reactants","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":140105,"question":"When KClO<sub>3</sub>is heated, it decomposes into KCl and O<sub>2. If some MnO2 is added, the reaction goes much faster because</sub>","choices":[{"text":"MnO<sub>2 </sub>decomposes to give O<sub>2</sub>","value":"A"},{"text":"MnO<sub>2 </sub>provide heat by reacting","value":"B"},{"text":"Better contact is provided by MnO<sub>2</sub>","value":"C"},{"text":"MnO<sub>2 </sub>acts as a catalyst.","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":140104,"question":"The rate of reaction between A and B increases by a factor of 100, and when the concentration with respect to A is increased 10 folds, the order of reaction w.r.t. A is","choices":[{"text":"10","value":"A"},{"text":"1","value":"B"},{"text":"4","value":"C"},{"text":"2","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":140103,"question":"A certain current liberate 0.5 g of hydrogen in 2 h. How many grams of copper can be liberated by the same current flowing for the same time in a copper sulphate solution?","choices":[{"text":"12.7 gm","value":"A"},{"text":"15.9 gm","value":"B"},{"text":"31.8 gm","value":"C"},{"text":"63.5 gm","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":140102,"question":"A current of 9.65 ampere flowing ofr 10 minutes deposits 3.0 g of the metal which is monovalent. The atomic mass of the metal is","choices":[{"text":"10","value":"A"},{"text":"50","value":"B"},{"text":"30","value":"C"},{"text":"96.5","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":140101,"question":"A solution of sodium sulphate was electrolysed using some inert electrodes. The products at the electrodes are","choices":[{"text":"O<sub>2, </sub>H<sub>2</sub>","value":"A"},{"text":"O<sub>2,</sub>Na","value":"B"},{"text":"O<sub>2,</sub>SO<sub>2</sub>","value":"C"},{"text":"O<sub>2,</sub>S<sub>2O</sub><sup>2-</sup><sub>8</sub>","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":140100,"question":"A cell constant is generally found by measuring the conductivity of aqueous solution of","choices":[{"text":"BaCl<sub>2</sub>","value":"A"},{"text":"KCl","value":"B"},{"text":"NaCl","value":"C"},{"text":"MgCl<sub>2</sub>","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":140099,"question":"An electrolyte","choices":[{"text":"Forms complex ions in solution","value":"A"},{"text":"Gives ions only when electricity is passed","value":"B"},{"text":"Possesses ions even in solid state","value":"C"},{"text":"Gives ions only when dissolved in water","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":140098,"question":"When electricity is passed through moten Al<sub>2</sub>O<sub>3</sub>+Na<sub>3</sub>AIF<sub>6 </sub>and 13.5 gms of Al are deposited, the number of faraday must be","choices":[{"text":"0.5","value":"A"},{"text":"1.0","value":"B"},{"text":"1.5","value":"C"},{"text":"2.0","value":"D"},{"value":"E"}],"correctAnswer":3}]