Related InterviewSolutions

• Which of the following is/are not possible in case of autocatalysis?A. reactant catalysesB. heat produced in the reaction catalysesC. product catalysesD. solvent catalyses
• An example of autocatalytic reaction isA. hydrogenation of oilsB. decomposition of nitroglycerineC. oxidation of `Na_(3)AsO_(3)` in the presence of `Na_(2)SO_(3)`D. thermal decomption of `KClO_(3)` in the presence of `MnO_(2)`
• Which of the following substances adsorbs `H_(2)` gas most strongly ?A. Platinum blackB. Nickel powderC. Activated charcoalD. Silica gel
• the volume of gases `NH_(3) , CO_(2) and H_(2)` adsorbed by one gram of characoal at 300 K are in order of :A. `CH_(4) gt CO_(2) gt NH_(3)`B. `HN_(3) gt CH_(4) gt CO_(2)`C. `NH_(3) gt CO_(2) gt CH_(4)`D. `CO_(2) gt NH_(3) gt CH_(4)`
• In the reactions `2SO_(2) + O_(2) underset(As_(2)O_(3))overset(Pt)(rarr) 2SO_(3), As_(2)O_(3)` acts as aA. catalystic promoterB. induced catalystC. catalystic poisonD. autocatalyst
• In the Haber process of synthesis of `NH_(3)` :A. Mo acts as a catalyst and Fe as a promotorB. Fe acts as a catalysts and Mo as a promotorC. Fe acts as inhibitor and Mo as a promotorD. Fe acts as promotor and Mo as autocatalyst
• Efficiency of the catalysts depends on its :A. molecular weightB. number of free vallencyC. physical stateD. amount used
• Which of the following curves is in accordance with freundlich adsorption isotherm?A. B. C. D.
• The principle involved in the chromatographic operation is :A. adsorptionB. absorptionC. partitionD. none of above
• Protons accelerate the hydrolysis of esters . This is an example os :A. a promotorB. a hetrogeneous catalystC. an acid -base CatalystD. an autocatalyst