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Section D (Assertion-Reason)
The following questions consist of two statements. Mark the answer as follows.
(a) If both statements are CORRECT, and Statement II is the CORRECT explanation of Statement I.
(b) If both statements are CORRECT, and Statement II is NOT the CORRECT explanation of Statement I.
(c) If Statement I is CORRECT, but Statement II is INCORRECT.
(d) If Statement I is INCORRECT, but Statement II is CORRECT.

Statement I: Decrease in volume of the system at constant temperature at equilibrium results increase in molar concentration of all the gaseous components involved in the reaction \( \mathrm{A}(\mathrm{g})+\mathrm{B}(\mathrm{s}) \) \( \rightleftharpoons 3 \mathrm{C}(\mathrm{g}) \).

Statement II: Decrease in volume of the system at constant temperature at equilibrium results increase in moles of \( \mathrm{A}(\mathrm{g}) \) and decrease in moles of \( \mathrm{C}(\mathrm{g}) \) but no change in the moles of \( \mathrm{B}(\mathrm{s}) \) in the reaction \( \mathrm{A}(\mathrm{g})+\mathrm{B}(\mathrm{s}) \rightleftharpoons 3 \mathrm{C}(\mathrm{g}) \).
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