Preparation of Hydrogen
Trending Questions
- only CO
- All the above
- both CO and
- only
Cracking of naphtha and fuel cell
Reaction of coal or CO with steam
Electrolysis of warm, aqueous solution of Ba(OH)2 between nickel electrodes
Adding zinc granules to all acids
Hydrogen can be obtained from water by
Reaction with metal oxides
Reaction with non-metal oxides
Reaction with metals
Reaction with metal hydrides
- Thermal conductivity
- Chemical properties
- Vapour pressure
- Heat capacity
Hydrogen is evolved by the action of cold dil. HNO3 on
Al
Mn
Cu
Fe
Among the following which is the condition favourable for the formation of CH3OH from CO and H2 ?
'Ni' catalyst, T = 725 - 775 K, P = 200atm
Finely divided 'Fe' catalyst, 'Mo' promoter temperature = 3000C, Pressure = 200atm
'ZnO' catalyst, Cr2O3 - promoter, T = 3000C, P = 200atm
'Co' catalyst, T = 2000C
What is the catalyst 'y' used in the water gas shift reaction?
Reaction 1: C(red hot coke) + H2O(g)1273K⟶ CO(g) + H2(g)
Reaction 2: CO(g) + H2(g) + H2O(g)y (catalyst)⟶ CO2(g) + 2H2(g)
Fe2O3/Cr2O3
V2O5
Raney Nickel
Ziegler Natta Catalyst
Highly pure Hydrogen (~99.9% ) can be obtained from:
Electrolysis of water
All of the above
Electrolysis of heavy water
Reacting Zn with Dil H2SO4
Which of the following will not produce hydrogen gas?
Reaction of Zn with concentrated H2SO4
Electrolysis of mildly acidified water
Electrolysis of NaCl in Nelson's cell
Reaction of Zn with NaOH
- Water gas
- Producer gas
- Coal gas
- All of these