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Question: Answered & Verified by Expert
A certain reaction occurs in two steps as

(i) 2SO2g+2NO2g2SO3g+2NOg

(ii) 2NOg+O2g2NO2g

in the reaction,
Chemistryp Block Elements (Group 15, 16, 17 & 18)JEE Main
Options:
  • A NO2g is intermediate
  • B NOg intermediate
  • C NOg is catalyst
  • D O2g is intermediate
Solution:
2436 Upvotes Verified Answer
The correct answer is: NOg intermediate
Here NO2 is used as a catalyst and it is Lead chamber process for the manufacture of H2SO4 .

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