Chemistry-Atomic & Molecular Mass

NEET Chemistry Atomic & Molecular Mass Assertion Reason Question

Type: Assertion Reason-assertion-Medium-Class 11

Assertion (A): The molar mass of water is 18.02 g/mol. | Reason (R): A compound's molar mass is calculated as the sum of the atomic masses of its constituent elements, each multiplied by its subscript in the molecular formula.

A

Both A and R are true, and R is the correct explanation of A.

B

Both A and R are true, but R is not the correct explanation of A.

C

A is true, but R is false.

D

A is false.

Correct Answer

Option A

Detailed Explanation

The molar mass of water is given as 18.02 g/mol in the NCERT context. The reason correctly explains this by describing how a compound's molar mass is calculated.

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