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d- and f-Block Elements
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Catalytic properties and interstitial compounds
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Single correct option
Difficulty 1 of 3
df008
The catalyst used in the contact process for the manufacture of sulphuric acid is
A
MnO
X
2
B
V
X
2
O
X
5
C
Ni
D
Fe
Answer: B
The contact process oxidises
SO
X
2
to
SO
X
3
over
V
X
2
O
X
5
at about 720 K and 2 bar. Fe is used in the Haber process and Ni in hydrogenation.
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