Question

Assertion: When 4 moles of $H_2$ react with 2 moles of $O_2$, then 4 moles of water is formed.
Reason: $O_2$ 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.
• B. Both the assertion and the reason are true, but the reason is not the correct explanation of the assertion.
• C. The assertion is true, but the reason is false.
• D. Both the assertion and the reason are false statements.

Answer 1

The correct option is C The assertion is true, but the reason is false.

$2H_2+O_2\to 2H_{2}O$
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.