Chemical Reaction Engineering
In the converter of the contact process for the manufacture of H₂SO₄ the equilibrium conversion of SO₂ __________ (i) __________ with increase in temperature and __________ (ii) __________ with increase in the mole ratio of SO₂ to air.

(i) decreases (ii) increases
(i) decreases (ii) decreases
(i) increases (ii) decreases
(i) increases (ii) increases

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Chemical Reaction Engineering
The experimentally determined overall order of the reaction, A + B → C + D, is two. Then the

Reaction is elementary with a molecularity of 2
Reaction may be elementary with molecularity of 2
Reaction is elementary but the molecularity may not be 2
Molecularity of the reaction is 2, but the reaction may not be elementary

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Chemical Reaction Engineering
Rate constant for a first order reaction does not depend upon reaction time, extent of reaction and the initial concentration of reactants ; but it is a function of reaction temperature. In a chemical reaction, the time required to reduce the concentration of reactant from 100 gm moles/litre to 50 gm moles/litre is same as that required to reduce it from 2 gm moles/litre to 1 gm mole/litre in the same volume. Then the order of this reaction is

2
1
3
0

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