A. 38
B. 68
C. 82
D. 98
Related Mcqs:
- Use of catalyst is a must in the ammonia manufacture, because the reaction is reversible as well as the heat of dissociation of N2 & H2 is high. The presence of promoter along with the catalyst helps in ______________ of the catalyst ?
A. Stabilisation
B. Increasing the effectiveness
C. Improving the strength & heat resistance
D. All A, B & C - The concentration (weight %) of nitric acid produced by the oxidation of ammonia and absorption of nitrogen oxides with water is about ____________ percent?
A. 60
B. 30
C. 95
D. 100 - Liquid ammonia and 60% nitric acid reaction (which produces ammonium nitrate) is___________________?
A. Exothermic
B. Endothermic
C. Autocatalytic
D. None of these - Multistage operation (as in the case of catalytic oxidation of SO2) is not carried out for NH3 synthesis, because of____________________?
A. Comparatively higher pressure drop
B. High cost of the high pressure vessel used for the reactor
C. Higher pumping cost
D. Chances of entrainment and disturbance of catalyst bed - Catalyst used in the manufacture of NH3 by Haber’s process is finely divided________________?
A. Nickel
B. Iron
C. Vanadium pentoxide
D. Alumina - Neutralisation of nitric acid with ammonia to produce ammonium nitrate is a/an _______________________ reaction?
A. Catalytic
B. Endothermic
C. Exothermic
D. Autocatalytic - Vapor phase reaction of ammonia & nitric acid to produce ammonium nitrate is termed as the _______________ process?
A. Haber’s
B. Stengel
C. Le-chatelier’s
D. Du-pont’s - Which is a catalyst promoter used in catalytic ammonia synthesis reaction ?
A. Al2O3
B. Cr2O3
C. K2O
D. MnO - Catalyst used in the oxidation of ammonia is ________________?
A. Platinum-beryllium
B. Platinum-rhodium
C. Cobalt-molybdenum
D. Platinum-molybdenum - Raw materials for nitric acid manufacture are___________________?
A. Hydrogen peroxide, air and water
B. Anhydrous ammonia and air
C. Anhydrous ammonia, air and water
D. Wet ammonia, air and water
