# Multistage operation (as in the case of catalytic oxidation of SO2) is not carried out for NH3 synthesis, because of _____ ? with Answer - Chemical Engineering Mcqs | TestPrep

> Solved MCQ: Multistage operation (as in the case of catalytic oxidation of SO2) is not carried out for NH3 synthesis, because of _____ ? Correct Answer: B. High cost of the high pressure vessel used for the reactor. Verified answer explanation for FPSC, PPSC, MDCAT, NTS, and CSS competitive exam preparation.

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# Multistage operation (as in the case of catalytic oxidation of SO2) is not carried out for NH3 synthesis, because of _____ ?

Direct Answer & Quick Reference

The correct option is **B. High cost of the high pressure vessel used for the reactor**.

A. Comparatively higher pressure drop

B. High cost of the high pressure vessel used for the reactor **(Correct Answer)**

C. Higher pumping cost

D. Chances of entrainment and disturbance of catalyst bed

✨ Explain with AI

Verified Key: B. High cost of the high pressure vessel used for the reactor
Solved by 2,800+ students

Verified against official examination board answer keys and standard curriculum textbooks.

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