Related Questions

For the hydrogenation of oils (i) __________ is commonly used as catalyst and (ii) __________ is a catalyst poison.
A (i) platinum (ii) sulphur
B (i) palladium (ii) oxygen
C (i) nickel (ii) sulphur
D (i) nickel (ii) oxygen
A catalyst is said to be a negative catalyst, ifit
A Retards the rate of reaction
B Reduces the value of equilibrium constant
C Does not initiate the reaction
D All of the above
Effectiveness factor (E) of a catalyst pellet is defined as, E = (actual rate within pore of catalyst/rate if notsnowed by pore diffusion) Effectiveness factor for a first order reaction is given by (where, T = Thiele modulus)
A Tan hT/T
B Tan T/T
C Tan hT/tan T
D None of these
Catalyst used in Haber's process for ammonia production is
A Reduced iron oxide
B Nickel
C Vanadium pentoxide
D Silica gel
Catalytic desulphurisation process used for sweetening of straight run gasoline and kerosene uses __________ as catalyst.
A Bauxite
B Fuller's earth
C Activated clay
D All of the above
Catalyst used in isomerisation process is
A H2SO4
B H3PO4
C HF
D AlCl3
Catalyst used in alkylation process is
A Sulphuric acid
B Nickel
C Silica gel
D Alumina
Catalyst used in the production of high density polythene by low pressure Ziegler process is
A Aluminium triethyl activated with TiCl4
B Platinum
C Molybdenum
D Nickel
Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers from the drawback like
A High cost
B Fragile nature
C Easy poisoning tendency
D All of the above
when oil is heated along with H2. in the presence of Ni catalyst, it forms fat,this process is called?
A Dehydrogenation
B Hydration
C Hydrogenation
D Dehydraton

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