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Question

Assertion: When 4 moles of H2 react with 2 moles of O2, then 4 moles of water is formed.
Reason: O2 will act as the limiting reagent

A
Both the assertion and the reason are true, and the reason is the correct explanation of the assertion.
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B
Both the assertion and the reason are true, but the reason is not the correct explanation of the assertion.
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C
The assertion is true, but the reason is false.
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D
Both the assertion and the reason are false statements.
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Solution

The correct option is C The assertion is true, but the reason is false.
2H2+O22H2O
In this reaction, 2 moles of hydrogen react with 1 mole of oxygen to form 2 moles of water.
Similarly, 4 moles of hydrogen react with 2 moles of oxygen to form 4 moles of water.
Since the reactants are present in stoichiometric ratios, there are no limiting reagents.

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