Chemistry Some Basic Concepts of Chemistry Significant Figures, Units for Measurement, Matter and Separation of Mixture Single Correct MCQ
Published on: August 14, 2026

In a reaction container, 100 g of hydrogen and 100 g of are mixed for the formation of HCl gas. What is the limiting reagent and how much HCl is formed in the reaction?

A
is limiting reagent and g of HCl are formed.
B
is limiting reagent and of HCl are formed.
C
is limiting reagent and 142 g of HCl are formed.
D
is limiting reagent and 73 g of HCl are formed.

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Text Solution

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The correct answer is:
B

2g of reacts with 71 g of

100 g of will react with g of

Hence, is the limiting reagent.

71 g of produces 73 g of HCl.

100 g of will produce g of HCl

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