Catalyst

Interactive Feed

Match List-I with List-II. $List-I (Process) (A) Deacon’s process (B) Contact process (C) Cracking of hydrocarbons (D) Hydrogenation of vegetable oils List-II (Catalyst) (i) ZSM-5 (ii) C u C l_{2} (iii) Particles ’Ni’ (iv) V_{2} O_{5}$ Choose the most appropriate answer from the options given below.

A-(ii), B-(iv), C-(i), D-(iii)

A-(i), B-(iii), C-(ii), D-(iv)

A-(iii), B-(i), C-(iv), D-(ii)

A-(iv), B-(ii), C-(i), D-(iii)

For the following Assertion and Reason the correct option is Assertion For hydrogenation reactions, the catalytic activity increases from Group 5 to Group 11 metals with maximum activity shown by Group 7-9 elements. Reason The reactants are most strongly adsorbed on group 7-9 elements.

The Assertion is true, but the Reason is false.

Both Assertion and Reason are true, but the Reason is not the correct explanation for the Assertion.

Both Assertion and Reason are true and the Reason is the correct explanation for the Assertion.

Both Assertion and Reason are false.

Match the catalysts Column I with products Column II. $Column I (Catalyst) (A) V_{2} O_{5} (B) T i C l_{4} / A l (M e)_{3} (C) P b C l_{2} (D) Iron oxide Column II (Product) (i) Polyethlyene (ii) Ethanal (iii) H_{2} S O_{4} (iv) N H_{3}$

(A)-(ii), (B)-(iii), (C)-(i), (D)-(iv)

(A)-(iv), (B)-(iii), (C)-(ii), (D)-(i)

(A)-(iii), (B)-(i), (C)-(ii), (D)-(iv)

(A)-(iii), (B)-(iv), (C)-(i), (D)-(ii)

Match the catalysts to the correct processes.

List-I

TiCl_{3}

PdCl_{2}

CuCl_{2}

V_{2} O_{5}

List-II

Ziegler-Natta polymerisation

Contact process

Deacon's process

Which of the following is not an example of heterogeneous catalytic reaction?

Haber's process

Combustion of coal

Hydrogenation of vegetable oils

Ostwald's process

Which one of the following statements is not true about enzymes ?

Enzymes are non-specific for a reaction and substrate.

Almost all enzymes are proteins.

Enzymes work as catalysts by lowering the activation energy of a biochemical reaction.

The action of enzymes is temperature and pH specific.