Chemistry-Quantum Mechanical Model

NEET Chemistry Quantum Mechanical Model Assertion Reason Question

Type: Assertion Reason-assertion-Medium-Class 11

Assertion (A): The Heisenberg uncertainty principle implies a fundamental limit to the precision with which certain pairs of physical properties, such as position and momentum, can be known simultaneously. | Reason (R): The quantum mechanical model of the atom allows for precise determination of both position and momentum of an electron.

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 C

Detailed Explanation

The Heisenberg uncertainty principle states that there is a limit to the precision of simultaneous measurements of position and momentum. The quantum mechanical model does not allow for precise determination of both position and momentum.

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