Chemistry-Percentage Composition
NEET Chemistry Percentage Composition Assertion Reason Question
Type: Assertion Reason-assertion-Hard-Class 11
Assertion (A): The percentage composition of elements in a compound helps in determining the purity of a given sample. | Reason (R): The mass percentage of an element in a compound is calculated using the formula: (mass of the element in the compound / molar mass of the compound) × 100.
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 assertion and reason are both true and linked. Percentage composition checks purity, and the given formula is used for calculating it, as per the NCERT context.
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