(B) Homogeneous catalysis is defined as a process where the catalyst and the reactants exist in the same phase (i.e.,they form a single phase). For ex

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The catalyst and the reactants should form a single phase

(B) Homogeneous catalysis is defined as a process where the catalyst and the reactants exist in the same phase (i.e.,they form a single phase). For example,the oxidation of $SO_2$ to $SO_3$ in the presence of $NO$ gas as a catalyst is a homogeneous reaction because all components are in the gaseous phase.

Class 12 Chemistry Surface Chemistry Catalyst and Catalysis

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In a homogeneous catalysis:

A
The catalyst and the reactants should be gases
B
The catalyst and the reactants should form a single phase
C
Catalyst and the reactants are all solids
D
The catalyst and the reactions are all liquids

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Surface Chemistry

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Catalyst and Catalysis

How does a solid catalyst enhance the rate of combination of gaseous molecules?

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For the conversion of ozone to oxygen in the atmosphere,nitric oxide in the gaseous phase acts as:

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Match the catalyst with the process:

Catalyst Process

$i. Na_{2}O$ $a. \text{Oxidation of } SO_{2} \text{ in the manufacture of } H_{2}SO_{4}$

$ii. TiCl_{4} + Al(CH_{3})_{3}$ $b. \text{Polymerisation of ethylene}$

$iii. PdCl_{2}$ $c. \text{The oxidation of ethyne to ethanal}$

$iv. \text{Nickel complexes}$ $d. \text{Polymerisation of alkynes}$

Which of the following is the correct option?

Catalyst	Process
$i. Na_{2}O$	$a. \text{Oxidation of } SO_{2} \text{ in the manufacture of } H_{2}SO_{4}$
$ii. TiCl_{4} + Al(CH_{3})_{3}$	$b. \text{Polymerisation of ethylene}$
$iii. PdCl_{2}$	$c. \text{The oxidation of ethyne to ethanal}$
$iv. \text{Nickel complexes}$	$d. \text{Polymerisation of alkynes}$