Related Questions

Catalyst used in the isomerisation is
A Aluminium chloride
B Alumina
C Nickel
D Phosphoric acid
Isomerisation converts the __________ tot-paraffins.
A Paraffins
B Olefins
C Naphthenes
D None of these
Octane number (unleaded) of gasoline produced by isomerisation of butane may be about
A 45
B 55
C 70
D 90
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
Catalyst used in Fischer-Tropsch process is
A Nickel
B Zinc oxide
C Alumina
D Thorium oxide
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 alkylation process is
A Sulphuric acid
B Nickel
C Silica gel
D Alumina

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