For the reaction , and . Which of the following statements is incorrect?

Question

For the reaction ,  and . Which of the following statements is incorrect?

Canvas Classes · Accepted Answer

Step 1 — Evaluate each statement:

(1) Large  no catalyst needed: ✗ Incorrect —  being large means the reaction is thermodynamically favorable, but it says nothing about the rate. A catalyst is needed to achieve equilibrium at a practical rate (e.g.,  in Contact process).

(2) Pressure increase  forward shift: ✓ Correct — , so increasing pressure shifts equilibrium forward.

(3)  decreases with temperature increase: ✓ Correct — reaction is exothermic (), so increasing T shifts equilibrium backwa

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