Assertion (A): Atomic mass of potassium ...

Assertion (A): Atomic mass of potassium is 39.
Reason (R ): An atom of postassium is 39 times heavier than `1//2th` of the mass of carbon atom `(C^(12))`.

If both (A) and (R ) are correct and (R ) is the correct explantion for (A)

If both (A) and (R ) are correct but (R ) is not the correct explantion for (A)

If (A) is correct but (R ) is incorrect.

If (A) and (R ) are incorrect.

Verified by Experts

The correct Answer is:

Factual statement.

SOME BASIC CONCEPTS AND MOLE CONCEPT
CENGAGE CHEMISTRY|Exercise Exercises Integers|13 Videos
SOME BASIC CONCEPTS AND MOLE CONCEPT
CENGAGE CHEMISTRY|Exercise Archives Single Correct|17 Videos
SOME BASIC CONCEPTS AND MOLE CONCEPT
CENGAGE CHEMISTRY|Exercise Exercises Single Correct|88 Videos
S-BLOCK GROUP 2 - ALKALINE EARTH METALS
CENGAGE CHEMISTRY|Exercise Ex 5.1 Objective|2 Videos
STATES OF MATTER
CENGAGE CHEMISTRY|Exercise Exercises (Ture False)|25 Videos

Assertion : Atomic mass of aluminium is 27. Reason : An atom of aluminium is 27 times heavier than 1/12th of the mass of carbon-12 atom.

If both assertion and reason are true and reason is the correct explanation of assertion.

If both assertion and reason are true but reason is not the correct explanation of assertion.

If assertion is true but reason is false.

If both assertion and reason are false.

If both assertion and reason are true and reason is the correct explanation of assertion.

If both assertion and reason are true but reason is not the correct explanation of assertion.

If assertion is true but reason is false.

If both assertion and reason are false.

If both Assertion & Reason are true and the reason is the correct explanation of the assertion.

If both Assertion & Reason are true but the reason is not the correct explanation of the assertion.

If Assertion is true statement but Reason is false.

If both Assertion and Reason are false statements.