of reacted with of and of was formed as per:

This obeys:

Question

of  reacted with  of  and  of  was formed as per:

This obeys:

Canvas Classes · Accepted Answer

Strategy:
 For gaseous reactions, Gay-Lussac's Law of Combining Volumes states that gases react and are produced in simple, whole-number ratios by volume. We compare the provided volumes to see if they follow this stoichiometric principle.

Step 1: Analyze volume ratios
 can be simplified by dividing by the smallest value ():
Ratio .

Step 2: Identify the governing law
This simple volume ratio is governed by Gay-Lussac's Law. Looking at options (a), (b), and (c), none mention this law specifical

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