Chemistry-Mole Concept

NEET Chemistry Mole Concept MCQ Question

Type: MCQ-conceptual-Medium-Class 11

Which of the following statements about the mole concept is correct?

A

The stoichiometric coefficients in a balanced equation represent both the number of moles and molecules involved in the reaction.

B

A mole of any substance always contains the same mass regardless of its chemical nature.

C

The number of molecules in one mole is different for gases and solids.

D

The empirical formula of a compound can never represent the actual number of moles of its constituent elements.

Correct Answer

Option A

Detailed Explanation

The stoichiometric coefficients in a balanced equation indicate the number of moles and molecules participating in the reaction, as stated in the NCERT context regarding the combustion of methane.

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